MAYBE

Problem:
 a__from(X) -> cons(mark(X),from(s(X)))
 a__2ndspos(0(),Z) -> rnil()
 a__2ndspos(s(N),cons(X,Z)) -> a__2ndspos(s(mark(N)),cons2(X,mark(Z)))
 a__2ndspos(s(N),cons2(X,cons(Y,Z))) -> rcons(posrecip(mark(Y)),a__2ndsneg(mark(N),mark(Z)))
 a__2ndsneg(0(),Z) -> rnil()
 a__2ndsneg(s(N),cons(X,Z)) -> a__2ndsneg(s(mark(N)),cons2(X,mark(Z)))
 a__2ndsneg(s(N),cons2(X,cons(Y,Z))) -> rcons(negrecip(mark(Y)),a__2ndspos(mark(N),mark(Z)))
 a__pi(X) -> a__2ndspos(mark(X),a__from(0()))
 a__plus(0(),Y) -> mark(Y)
 a__plus(s(X),Y) -> s(a__plus(mark(X),mark(Y)))
 a__times(0(),Y) -> 0()
 a__times(s(X),Y) -> a__plus(mark(Y),a__times(mark(X),mark(Y)))
 a__square(X) -> a__times(mark(X),mark(X))
 mark(from(X)) -> a__from(mark(X))
 mark(2ndspos(X1,X2)) -> a__2ndspos(mark(X1),mark(X2))
 mark(2ndsneg(X1,X2)) -> a__2ndsneg(mark(X1),mark(X2))
 mark(pi(X)) -> a__pi(mark(X))
 mark(plus(X1,X2)) -> a__plus(mark(X1),mark(X2))
 mark(times(X1,X2)) -> a__times(mark(X1),mark(X2))
 mark(square(X)) -> a__square(mark(X))
 mark(0()) -> 0()
 mark(s(X)) -> s(mark(X))
 mark(posrecip(X)) -> posrecip(mark(X))
 mark(negrecip(X)) -> negrecip(mark(X))
 mark(nil()) -> nil()
 mark(cons(X1,X2)) -> cons(mark(X1),X2)
 mark(cons2(X1,X2)) -> cons2(X1,mark(X2))
 mark(rnil()) -> rnil()
 mark(rcons(X1,X2)) -> rcons(mark(X1),mark(X2))
 a__from(X) -> from(X)
 a__2ndspos(X1,X2) -> 2ndspos(X1,X2)
 a__2ndsneg(X1,X2) -> 2ndsneg(X1,X2)
 a__pi(X) -> pi(X)
 a__plus(X1,X2) -> plus(X1,X2)
 a__times(X1,X2) -> times(X1,X2)
 a__square(X) -> square(X)

Proof:
 DP Processor:
  DPs:
   a__from#(X) -> mark#(X)
   a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z)
   a__2ndspos#(s(N),cons(X,Z)) -> mark#(N)
   a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z)))
   a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
   a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
   a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z))
   a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
   a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z)
   a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N)
   a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z)))
   a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
   a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
   a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z))
   a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
   a__pi#(X) -> a__from#(0())
   a__pi#(X) -> mark#(X)
   a__pi#(X) -> a__2ndspos#(mark(X),a__from(0()))
   a__plus#(0(),Y) -> mark#(Y)
   a__plus#(s(X),Y) -> mark#(Y)
   a__plus#(s(X),Y) -> mark#(X)
   a__plus#(s(X),Y) -> a__plus#(mark(X),mark(Y))
   a__times#(s(X),Y) -> mark#(X)
   a__times#(s(X),Y) -> a__times#(mark(X),mark(Y))
   a__times#(s(X),Y) -> mark#(Y)
   a__times#(s(X),Y) -> a__plus#(mark(Y),a__times(mark(X),mark(Y)))
   a__square#(X) -> mark#(X)
   a__square#(X) -> a__times#(mark(X),mark(X))
   mark#(from(X)) -> mark#(X)
   mark#(from(X)) -> a__from#(mark(X))
   mark#(2ndspos(X1,X2)) -> mark#(X2)
   mark#(2ndspos(X1,X2)) -> mark#(X1)
   mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
   mark#(2ndsneg(X1,X2)) -> mark#(X2)
   mark#(2ndsneg(X1,X2)) -> mark#(X1)
   mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
   mark#(pi(X)) -> mark#(X)
   mark#(pi(X)) -> a__pi#(mark(X))
   mark#(plus(X1,X2)) -> mark#(X2)
   mark#(plus(X1,X2)) -> mark#(X1)
   mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
   mark#(times(X1,X2)) -> mark#(X2)
   mark#(times(X1,X2)) -> mark#(X1)
   mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
   mark#(square(X)) -> mark#(X)
   mark#(square(X)) -> a__square#(mark(X))
   mark#(s(X)) -> mark#(X)
   mark#(posrecip(X)) -> mark#(X)
   mark#(negrecip(X)) -> mark#(X)
   mark#(cons(X1,X2)) -> mark#(X1)
   mark#(cons2(X1,X2)) -> mark#(X2)
   mark#(rcons(X1,X2)) -> mark#(X2)
   mark#(rcons(X1,X2)) -> mark#(X1)
  TRS:
   a__from(X) -> cons(mark(X),from(s(X)))
   a__2ndspos(0(),Z) -> rnil()
   a__2ndspos(s(N),cons(X,Z)) -> a__2ndspos(s(mark(N)),cons2(X,mark(Z)))
   a__2ndspos(s(N),cons2(X,cons(Y,Z))) -> rcons(posrecip(mark(Y)),a__2ndsneg(mark(N),mark(Z)))
   a__2ndsneg(0(),Z) -> rnil()
   a__2ndsneg(s(N),cons(X,Z)) -> a__2ndsneg(s(mark(N)),cons2(X,mark(Z)))
   a__2ndsneg(s(N),cons2(X,cons(Y,Z))) -> rcons(negrecip(mark(Y)),a__2ndspos(mark(N),mark(Z)))
   a__pi(X) -> a__2ndspos(mark(X),a__from(0()))
   a__plus(0(),Y) -> mark(Y)
   a__plus(s(X),Y) -> s(a__plus(mark(X),mark(Y)))
   a__times(0(),Y) -> 0()
   a__times(s(X),Y) -> a__plus(mark(Y),a__times(mark(X),mark(Y)))
   a__square(X) -> a__times(mark(X),mark(X))
   mark(from(X)) -> a__from(mark(X))
   mark(2ndspos(X1,X2)) -> a__2ndspos(mark(X1),mark(X2))
   mark(2ndsneg(X1,X2)) -> a__2ndsneg(mark(X1),mark(X2))
   mark(pi(X)) -> a__pi(mark(X))
   mark(plus(X1,X2)) -> a__plus(mark(X1),mark(X2))
   mark(times(X1,X2)) -> a__times(mark(X1),mark(X2))
   mark(square(X)) -> a__square(mark(X))
   mark(0()) -> 0()
   mark(s(X)) -> s(mark(X))
   mark(posrecip(X)) -> posrecip(mark(X))
   mark(negrecip(X)) -> negrecip(mark(X))
   mark(nil()) -> nil()
   mark(cons(X1,X2)) -> cons(mark(X1),X2)
   mark(cons2(X1,X2)) -> cons2(X1,mark(X2))
   mark(rnil()) -> rnil()
   mark(rcons(X1,X2)) -> rcons(mark(X1),mark(X2))
   a__from(X) -> from(X)
   a__2ndspos(X1,X2) -> 2ndspos(X1,X2)
   a__2ndsneg(X1,X2) -> 2ndsneg(X1,X2)
   a__pi(X) -> pi(X)
   a__plus(X1,X2) -> plus(X1,X2)
   a__times(X1,X2) -> times(X1,X2)
   a__square(X) -> square(X)
  TDG Processor:
   DPs:
    a__from#(X) -> mark#(X)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N)
    a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z)))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N)
    a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z)))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
    a__pi#(X) -> a__from#(0())
    a__pi#(X) -> mark#(X)
    a__pi#(X) -> a__2ndspos#(mark(X),a__from(0()))
    a__plus#(0(),Y) -> mark#(Y)
    a__plus#(s(X),Y) -> mark#(Y)
    a__plus#(s(X),Y) -> mark#(X)
    a__plus#(s(X),Y) -> a__plus#(mark(X),mark(Y))
    a__times#(s(X),Y) -> mark#(X)
    a__times#(s(X),Y) -> a__times#(mark(X),mark(Y))
    a__times#(s(X),Y) -> mark#(Y)
    a__times#(s(X),Y) -> a__plus#(mark(Y),a__times(mark(X),mark(Y)))
    a__square#(X) -> mark#(X)
    a__square#(X) -> a__times#(mark(X),mark(X))
    mark#(from(X)) -> mark#(X)
    mark#(from(X)) -> a__from#(mark(X))
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(pi(X)) -> mark#(X)
    mark#(pi(X)) -> a__pi#(mark(X))
    mark#(plus(X1,X2)) -> mark#(X2)
    mark#(plus(X1,X2)) -> mark#(X1)
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(times(X1,X2)) -> mark#(X2)
    mark#(times(X1,X2)) -> mark#(X1)
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(square(X)) -> mark#(X)
    mark#(square(X)) -> a__square#(mark(X))
    mark#(s(X)) -> mark#(X)
    mark#(posrecip(X)) -> mark#(X)
    mark#(negrecip(X)) -> mark#(X)
    mark#(cons(X1,X2)) -> mark#(X1)
    mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(rcons(X1,X2)) -> mark#(X1)
   TRS:
    a__from(X) -> cons(mark(X),from(s(X)))
    a__2ndspos(0(),Z) -> rnil()
    a__2ndspos(s(N),cons(X,Z)) -> a__2ndspos(s(mark(N)),cons2(X,mark(Z)))
    a__2ndspos(s(N),cons2(X,cons(Y,Z))) -> rcons(posrecip(mark(Y)),a__2ndsneg(mark(N),mark(Z)))
    a__2ndsneg(0(),Z) -> rnil()
    a__2ndsneg(s(N),cons(X,Z)) -> a__2ndsneg(s(mark(N)),cons2(X,mark(Z)))
    a__2ndsneg(s(N),cons2(X,cons(Y,Z))) -> rcons(negrecip(mark(Y)),a__2ndspos(mark(N),mark(Z)))
    a__pi(X) -> a__2ndspos(mark(X),a__from(0()))
    a__plus(0(),Y) -> mark(Y)
    a__plus(s(X),Y) -> s(a__plus(mark(X),mark(Y)))
    a__times(0(),Y) -> 0()
    a__times(s(X),Y) -> a__plus(mark(Y),a__times(mark(X),mark(Y)))
    a__square(X) -> a__times(mark(X),mark(X))
    mark(from(X)) -> a__from(mark(X))
    mark(2ndspos(X1,X2)) -> a__2ndspos(mark(X1),mark(X2))
    mark(2ndsneg(X1,X2)) -> a__2ndsneg(mark(X1),mark(X2))
    mark(pi(X)) -> a__pi(mark(X))
    mark(plus(X1,X2)) -> a__plus(mark(X1),mark(X2))
    mark(times(X1,X2)) -> a__times(mark(X1),mark(X2))
    mark(square(X)) -> a__square(mark(X))
    mark(0()) -> 0()
    mark(s(X)) -> s(mark(X))
    mark(posrecip(X)) -> posrecip(mark(X))
    mark(negrecip(X)) -> negrecip(mark(X))
    mark(nil()) -> nil()
    mark(cons(X1,X2)) -> cons(mark(X1),X2)
    mark(cons2(X1,X2)) -> cons2(X1,mark(X2))
    mark(rnil()) -> rnil()
    mark(rcons(X1,X2)) -> rcons(mark(X1),mark(X2))
    a__from(X) -> from(X)
    a__2ndspos(X1,X2) -> 2ndspos(X1,X2)
    a__2ndsneg(X1,X2) -> 2ndsneg(X1,X2)
    a__pi(X) -> pi(X)
    a__plus(X1,X2) -> plus(X1,X2)
    a__times(X1,X2) -> times(X1,X2)
    a__square(X) -> square(X)
   graph:
    a__square#(X) -> a__times#(mark(X),mark(X)) ->
    a__times#(s(X),Y) -> a__plus#(mark(Y),a__times(mark(X),mark(Y)))
    a__square#(X) -> a__times#(mark(X),mark(X)) ->
    a__times#(s(X),Y) -> mark#(Y)
    a__square#(X) -> a__times#(mark(X),mark(X)) ->
    a__times#(s(X),Y) -> a__times#(mark(X),mark(Y))
    a__square#(X) -> a__times#(mark(X),mark(X)) ->
    a__times#(s(X),Y) -> mark#(X)
    a__square#(X) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X1)
    a__square#(X) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
    a__square#(X) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
    a__square#(X) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
    a__square#(X) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
    a__square#(X) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
    a__square#(X) -> mark#(X) -> mark#(s(X)) -> mark#(X)
    a__square#(X) -> mark#(X) -> mark#(square(X)) -> a__square#(mark(X))
    a__square#(X) -> mark#(X) -> mark#(square(X)) -> mark#(X)
    a__square#(X) -> mark#(X) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__square#(X) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
    a__square#(X) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
    a__square#(X) -> mark#(X) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__square#(X) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
    a__square#(X) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
    a__square#(X) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
    a__square#(X) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
    a__square#(X) -> mark#(X) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__square#(X) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__square#(X) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__square#(X) -> mark#(X) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__square#(X) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__square#(X) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__square#(X) -> mark#(X) -> mark#(from(X)) -> a__from#(mark(X))
    a__square#(X) -> mark#(X) ->
    mark#(from(X)) -> mark#(X)
    a__times#(s(X),Y) -> a__times#(mark(X),mark(Y)) ->
    a__times#(s(X),Y) -> a__plus#(mark(Y),a__times(mark(X),mark(Y)))
    a__times#(s(X),Y) -> a__times#(mark(X),mark(Y)) ->
    a__times#(s(X),Y) -> mark#(Y)
    a__times#(s(X),Y) -> a__times#(mark(X),mark(Y)) ->
    a__times#(s(X),Y) -> a__times#(mark(X),mark(Y))
    a__times#(s(X),Y) -> a__times#(mark(X),mark(Y)) ->
    a__times#(s(X),Y) -> mark#(X)
    a__times#(s(X),Y) -> a__plus#(mark(Y),a__times(mark(X),mark(Y))) ->
    a__plus#(s(X),Y) -> a__plus#(mark(X),mark(Y))
    a__times#(s(X),Y) -> a__plus#(mark(Y),a__times(mark(X),mark(Y))) ->
    a__plus#(s(X),Y) -> mark#(X)
    a__times#(s(X),Y) -> a__plus#(mark(Y),a__times(mark(X),mark(Y))) ->
    a__plus#(s(X),Y) -> mark#(Y)
    a__times#(s(X),Y) -> a__plus#(mark(Y),a__times(mark(X),mark(Y))) ->
    a__plus#(0(),Y) -> mark#(Y)
    a__times#(s(X),Y) -> mark#(Y) -> mark#(rcons(X1,X2)) -> mark#(X1)
    a__times#(s(X),Y) -> mark#(Y) -> mark#(rcons(X1,X2)) -> mark#(X2)
    a__times#(s(X),Y) -> mark#(Y) -> mark#(cons2(X1,X2)) -> mark#(X2)
    a__times#(s(X),Y) -> mark#(Y) -> mark#(cons(X1,X2)) -> mark#(X1)
    a__times#(s(X),Y) -> mark#(Y) -> mark#(negrecip(X)) -> mark#(X)
    a__times#(s(X),Y) -> mark#(Y) -> mark#(posrecip(X)) -> mark#(X)
    a__times#(s(X),Y) -> mark#(Y) -> mark#(s(X)) -> mark#(X)
    a__times#(s(X),Y) -> mark#(Y) ->
    mark#(square(X)) -> a__square#(mark(X))
    a__times#(s(X),Y) -> mark#(Y) -> mark#(square(X)) -> mark#(X)
    a__times#(s(X),Y) -> mark#(Y) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__times#(s(X),Y) -> mark#(Y) -> mark#(times(X1,X2)) -> mark#(X1)
    a__times#(s(X),Y) -> mark#(Y) -> mark#(times(X1,X2)) -> mark#(X2)
    a__times#(s(X),Y) -> mark#(Y) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__times#(s(X),Y) -> mark#(Y) -> mark#(plus(X1,X2)) -> mark#(X1)
    a__times#(s(X),Y) -> mark#(Y) -> mark#(plus(X1,X2)) -> mark#(X2)
    a__times#(s(X),Y) -> mark#(Y) -> mark#(pi(X)) -> a__pi#(mark(X))
    a__times#(s(X),Y) -> mark#(Y) -> mark#(pi(X)) -> mark#(X)
    a__times#(s(X),Y) -> mark#(Y) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__times#(s(X),Y) -> mark#(Y) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__times#(s(X),Y) -> mark#(Y) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__times#(s(X),Y) -> mark#(Y) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__times#(s(X),Y) -> mark#(Y) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__times#(s(X),Y) -> mark#(Y) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__times#(s(X),Y) -> mark#(Y) ->
    mark#(from(X)) -> a__from#(mark(X))
    a__times#(s(X),Y) -> mark#(Y) -> mark#(from(X)) -> mark#(X)
    a__times#(s(X),Y) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X1)
    a__times#(s(X),Y) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
    a__times#(s(X),Y) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
    a__times#(s(X),Y) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
    a__times#(s(X),Y) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
    a__times#(s(X),Y) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
    a__times#(s(X),Y) -> mark#(X) -> mark#(s(X)) -> mark#(X)
    a__times#(s(X),Y) -> mark#(X) ->
    mark#(square(X)) -> a__square#(mark(X))
    a__times#(s(X),Y) -> mark#(X) -> mark#(square(X)) -> mark#(X)
    a__times#(s(X),Y) -> mark#(X) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__times#(s(X),Y) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
    a__times#(s(X),Y) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
    a__times#(s(X),Y) -> mark#(X) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__times#(s(X),Y) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
    a__times#(s(X),Y) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
    a__times#(s(X),Y) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
    a__times#(s(X),Y) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
    a__times#(s(X),Y) -> mark#(X) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__times#(s(X),Y) -> mark#(X) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__times#(s(X),Y) -> mark#(X) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__times#(s(X),Y) -> mark#(X) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__times#(s(X),Y) -> mark#(X) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__times#(s(X),Y) -> mark#(X) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__times#(s(X),Y) -> mark#(X) ->
    mark#(from(X)) -> a__from#(mark(X))
    a__times#(s(X),Y) -> mark#(X) -> mark#(from(X)) -> mark#(X)
    a__plus#(0(),Y) -> mark#(Y) -> mark#(rcons(X1,X2)) -> mark#(X1)
    a__plus#(0(),Y) -> mark#(Y) -> mark#(rcons(X1,X2)) -> mark#(X2)
    a__plus#(0(),Y) -> mark#(Y) -> mark#(cons2(X1,X2)) -> mark#(X2)
    a__plus#(0(),Y) -> mark#(Y) -> mark#(cons(X1,X2)) -> mark#(X1)
    a__plus#(0(),Y) -> mark#(Y) -> mark#(negrecip(X)) -> mark#(X)
    a__plus#(0(),Y) -> mark#(Y) -> mark#(posrecip(X)) -> mark#(X)
    a__plus#(0(),Y) -> mark#(Y) -> mark#(s(X)) -> mark#(X)
    a__plus#(0(),Y) -> mark#(Y) ->
    mark#(square(X)) -> a__square#(mark(X))
    a__plus#(0(),Y) -> mark#(Y) -> mark#(square(X)) -> mark#(X)
    a__plus#(0(),Y) -> mark#(Y) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__plus#(0(),Y) -> mark#(Y) -> mark#(times(X1,X2)) -> mark#(X1)
    a__plus#(0(),Y) -> mark#(Y) -> mark#(times(X1,X2)) -> mark#(X2)
    a__plus#(0(),Y) -> mark#(Y) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__plus#(0(),Y) -> mark#(Y) -> mark#(plus(X1,X2)) -> mark#(X1)
    a__plus#(0(),Y) -> mark#(Y) -> mark#(plus(X1,X2)) -> mark#(X2)
    a__plus#(0(),Y) -> mark#(Y) -> mark#(pi(X)) -> a__pi#(mark(X))
    a__plus#(0(),Y) -> mark#(Y) -> mark#(pi(X)) -> mark#(X)
    a__plus#(0(),Y) -> mark#(Y) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__plus#(0(),Y) -> mark#(Y) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__plus#(0(),Y) -> mark#(Y) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__plus#(0(),Y) -> mark#(Y) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__plus#(0(),Y) -> mark#(Y) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__plus#(0(),Y) -> mark#(Y) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__plus#(0(),Y) -> mark#(Y) -> mark#(from(X)) -> a__from#(mark(X))
    a__plus#(0(),Y) -> mark#(Y) ->
    mark#(from(X)) -> mark#(X)
    a__plus#(s(X),Y) -> a__plus#(mark(X),mark(Y)) ->
    a__plus#(s(X),Y) -> a__plus#(mark(X),mark(Y))
    a__plus#(s(X),Y) -> a__plus#(mark(X),mark(Y)) ->
    a__plus#(s(X),Y) -> mark#(X)
    a__plus#(s(X),Y) -> a__plus#(mark(X),mark(Y)) ->
    a__plus#(s(X),Y) -> mark#(Y)
    a__plus#(s(X),Y) -> a__plus#(mark(X),mark(Y)) ->
    a__plus#(0(),Y) -> mark#(Y)
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(rcons(X1,X2)) -> mark#(X1)
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(rcons(X1,X2)) -> mark#(X2)
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(cons2(X1,X2)) -> mark#(X2)
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(cons(X1,X2)) -> mark#(X1)
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(negrecip(X)) -> mark#(X)
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(posrecip(X)) -> mark#(X)
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(s(X)) -> mark#(X)
    a__plus#(s(X),Y) -> mark#(Y) ->
    mark#(square(X)) -> a__square#(mark(X))
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(square(X)) -> mark#(X)
    a__plus#(s(X),Y) -> mark#(Y) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(times(X1,X2)) -> mark#(X1)
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(times(X1,X2)) -> mark#(X2)
    a__plus#(s(X),Y) -> mark#(Y) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(plus(X1,X2)) -> mark#(X1)
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(plus(X1,X2)) -> mark#(X2)
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(pi(X)) -> a__pi#(mark(X))
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(pi(X)) -> mark#(X)
    a__plus#(s(X),Y) -> mark#(Y) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__plus#(s(X),Y) -> mark#(Y) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(from(X)) -> a__from#(mark(X))
    a__plus#(s(X),Y) -> mark#(Y) -> mark#(from(X)) -> mark#(X)
    a__plus#(s(X),Y) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X1)
    a__plus#(s(X),Y) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
    a__plus#(s(X),Y) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
    a__plus#(s(X),Y) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
    a__plus#(s(X),Y) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
    a__plus#(s(X),Y) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
    a__plus#(s(X),Y) -> mark#(X) -> mark#(s(X)) -> mark#(X)
    a__plus#(s(X),Y) -> mark#(X) ->
    mark#(square(X)) -> a__square#(mark(X))
    a__plus#(s(X),Y) -> mark#(X) -> mark#(square(X)) -> mark#(X)
    a__plus#(s(X),Y) -> mark#(X) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__plus#(s(X),Y) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
    a__plus#(s(X),Y) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
    a__plus#(s(X),Y) -> mark#(X) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__plus#(s(X),Y) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
    a__plus#(s(X),Y) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
    a__plus#(s(X),Y) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
    a__plus#(s(X),Y) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
    a__plus#(s(X),Y) -> mark#(X) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__plus#(s(X),Y) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__plus#(s(X),Y) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__plus#(s(X),Y) -> mark#(X) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__plus#(s(X),Y) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__plus#(s(X),Y) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__plus#(s(X),Y) -> mark#(X) -> mark#(from(X)) -> a__from#(mark(X))
    a__plus#(s(X),Y) -> mark#(X) ->
    mark#(from(X)) -> mark#(X)
    a__pi#(X) -> a__2ndspos#(mark(X),a__from(0())) ->
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
    a__pi#(X) -> a__2ndspos#(mark(X),a__from(0())) ->
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z))
    a__pi#(X) -> a__2ndspos#(mark(X),a__from(0())) ->
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
    a__pi#(X) -> a__2ndspos#(mark(X),a__from(0())) ->
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
    a__pi#(X) -> a__2ndspos#(mark(X),a__from(0())) ->
    a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z)))
    a__pi#(X) -> a__2ndspos#(mark(X),a__from(0())) ->
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N)
    a__pi#(X) -> a__2ndspos#(mark(X),a__from(0())) ->
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z)
    a__pi#(X) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X1)
    a__pi#(X) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
    a__pi#(X) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
    a__pi#(X) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
    a__pi#(X) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
    a__pi#(X) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
    a__pi#(X) -> mark#(X) -> mark#(s(X)) -> mark#(X)
    a__pi#(X) -> mark#(X) -> mark#(square(X)) -> a__square#(mark(X))
    a__pi#(X) -> mark#(X) -> mark#(square(X)) -> mark#(X)
    a__pi#(X) -> mark#(X) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__pi#(X) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
    a__pi#(X) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
    a__pi#(X) -> mark#(X) -> mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__pi#(X) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
    a__pi#(X) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
    a__pi#(X) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
    a__pi#(X) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
    a__pi#(X) -> mark#(X) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__pi#(X) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__pi#(X) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__pi#(X) -> mark#(X) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__pi#(X) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__pi#(X) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__pi#(X) -> mark#(X) -> mark#(from(X)) -> a__from#(mark(X))
    a__pi#(X) -> mark#(X) -> mark#(from(X)) -> mark#(X)
    a__pi#(X) -> a__from#(0()) ->
    a__from#(X) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z)) ->
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z)) ->
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z)) ->
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z)) ->
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z)) ->
    a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z)))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z)) ->
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z)) ->
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(negrecip(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(posrecip(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(s(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(square(X)) -> a__square#(mark(X))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(square(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(times(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(times(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(pi(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(from(X)) -> a__from#(mark(X))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(from(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(negrecip(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(posrecip(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(s(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(square(X)) -> a__square#(mark(X))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(square(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(times(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(times(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(pi(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(from(X)) -> a__from#(mark(X))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(from(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(negrecip(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(posrecip(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(s(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(square(X)) -> a__square#(mark(X))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(square(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(times(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(times(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(pi(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(from(X)) -> a__from#(mark(X))
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(from(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z))) ->
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
    a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z))) ->
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z))
    a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z))) ->
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
    a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z))) ->
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
    a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z))) ->
    a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z)))
    a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z))) ->
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N)
    a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z))) ->
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(negrecip(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(posrecip(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(s(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(square(X)) -> a__square#(mark(X))
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(square(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(times(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(times(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(pi(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(from(X)) -> a__from#(mark(X))
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(from(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(negrecip(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(posrecip(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(s(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(square(X)) -> a__square#(mark(X))
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(square(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(times(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(times(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(pi(X)) -> mark#(X)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(from(X)) -> a__from#(mark(X))
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(from(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z)) ->
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z)) ->
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z)) ->
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z)) ->
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z)) ->
    a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z)))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z)) ->
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z)) ->
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(negrecip(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(posrecip(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(s(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(square(X)) -> a__square#(mark(X))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(square(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(times(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(times(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(pi(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(from(X)) -> a__from#(mark(X))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
    mark#(from(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(negrecip(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(posrecip(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(s(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(square(X)) -> a__square#(mark(X))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(square(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(times(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(times(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(pi(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(from(X)) -> a__from#(mark(X))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
    mark#(from(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(negrecip(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(posrecip(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(s(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(square(X)) -> a__square#(mark(X))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(square(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(times(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(times(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(pi(X)) -> mark#(X)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(from(X)) -> a__from#(mark(X))
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
    mark#(from(X)) -> mark#(X)
    a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z))) ->
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
    a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z))) ->
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z))
    a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z))) ->
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
    a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z))) ->
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
    a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z))) ->
    a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z)))
    a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z))) ->
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N)
    a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z))) ->
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(negrecip(X)) -> mark#(X)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(posrecip(X)) -> mark#(X)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(s(X)) -> mark#(X)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(square(X)) -> a__square#(mark(X))
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(square(X)) -> mark#(X)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(times(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(times(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(pi(X)) -> mark#(X)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(from(X)) -> a__from#(mark(X))
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
    mark#(from(X)) -> mark#(X)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(negrecip(X)) -> mark#(X)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(posrecip(X)) -> mark#(X)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(s(X)) -> mark#(X)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(square(X)) -> a__square#(mark(X))
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(square(X)) -> mark#(X)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(times(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(times(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(pi(X)) -> mark#(X)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(from(X)) -> a__from#(mark(X))
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
    mark#(from(X)) -> mark#(X)
    mark#(square(X)) -> a__square#(mark(X)) ->
    a__square#(X) -> a__times#(mark(X),mark(X))
    mark#(square(X)) -> a__square#(mark(X)) ->
    a__square#(X) -> mark#(X)
    mark#(square(X)) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(square(X)) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(square(X)) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(square(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
    mark#(square(X)) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
    mark#(square(X)) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
    mark#(square(X)) -> mark#(X) -> mark#(s(X)) -> mark#(X)
    mark#(square(X)) -> mark#(X) ->
    mark#(square(X)) -> a__square#(mark(X))
    mark#(square(X)) -> mark#(X) -> mark#(square(X)) -> mark#(X)
    mark#(square(X)) -> mark#(X) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(square(X)) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
    mark#(square(X)) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
    mark#(square(X)) -> mark#(X) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(square(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
    mark#(square(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
    mark#(square(X)) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
    mark#(square(X)) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
    mark#(square(X)) -> mark#(X) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(square(X)) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(square(X)) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(square(X)) -> mark#(X) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(square(X)) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(square(X)) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(square(X)) -> mark#(X) -> mark#(from(X)) -> a__from#(mark(X))
    mark#(square(X)) -> mark#(X) ->
    mark#(from(X)) -> mark#(X)
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2)) ->
    a__times#(s(X),Y) -> a__plus#(mark(Y),a__times(mark(X),mark(Y)))
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2)) ->
    a__times#(s(X),Y) -> mark#(Y)
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2)) ->
    a__times#(s(X),Y) -> a__times#(mark(X),mark(Y))
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2)) ->
    a__times#(s(X),Y) -> mark#(X)
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(negrecip(X)) -> mark#(X)
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(posrecip(X)) -> mark#(X)
    mark#(times(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> mark#(X)
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(square(X)) -> a__square#(mark(X))
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(square(X)) -> mark#(X)
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> mark#(X1)
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> mark#(X2)
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    mark#(times(X1,X2)) -> mark#(X2) -> mark#(pi(X)) -> mark#(X)
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(times(X1,X2)) -> mark#(X2) ->
    mark#(from(X)) -> a__from#(mark(X))
    mark#(times(X1,X2)) -> mark#(X2) -> mark#(from(X)) -> mark#(X)
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(negrecip(X)) -> mark#(X)
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(posrecip(X)) -> mark#(X)
    mark#(times(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> mark#(X)
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(square(X)) -> a__square#(mark(X))
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(square(X)) -> mark#(X)
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> mark#(X1)
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> mark#(X2)
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    mark#(times(X1,X2)) -> mark#(X1) -> mark#(pi(X)) -> mark#(X)
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(from(X)) -> a__from#(mark(X))
    mark#(times(X1,X2)) -> mark#(X1) ->
    mark#(from(X)) -> mark#(X)
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2)) ->
    a__plus#(s(X),Y) -> a__plus#(mark(X),mark(Y))
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2)) ->
    a__plus#(s(X),Y) -> mark#(X)
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2)) ->
    a__plus#(s(X),Y) -> mark#(Y)
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2)) ->
    a__plus#(0(),Y) -> mark#(Y)
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(negrecip(X)) -> mark#(X)
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(posrecip(X)) -> mark#(X)
    mark#(plus(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> mark#(X)
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(square(X)) -> a__square#(mark(X))
    mark#(plus(X1,X2)) -> mark#(X2) -> mark#(square(X)) -> mark#(X)
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> mark#(X1)
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> mark#(X2)
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    mark#(plus(X1,X2)) -> mark#(X2) -> mark#(pi(X)) -> mark#(X)
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(plus(X1,X2)) -> mark#(X2) ->
    mark#(from(X)) -> a__from#(mark(X))
    mark#(plus(X1,X2)) -> mark#(X2) -> mark#(from(X)) -> mark#(X)
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(negrecip(X)) -> mark#(X)
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(posrecip(X)) -> mark#(X)
    mark#(plus(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> mark#(X)
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(square(X)) -> a__square#(mark(X))
    mark#(plus(X1,X2)) -> mark#(X1) -> mark#(square(X)) -> mark#(X)
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> mark#(X1)
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> mark#(X2)
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    mark#(plus(X1,X2)) -> mark#(X1) -> mark#(pi(X)) -> mark#(X)
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(plus(X1,X2)) -> mark#(X1) ->
    mark#(from(X)) -> a__from#(mark(X))
    mark#(plus(X1,X2)) -> mark#(X1) -> mark#(from(X)) -> mark#(X)
    mark#(pi(X)) -> a__pi#(mark(X)) ->
    a__pi#(X) -> a__2ndspos#(mark(X),a__from(0()))
    mark#(pi(X)) -> a__pi#(mark(X)) -> a__pi#(X) -> mark#(X)
    mark#(pi(X)) -> a__pi#(mark(X)) -> a__pi#(X) -> a__from#(0())
    mark#(pi(X)) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(pi(X)) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(pi(X)) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(pi(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
    mark#(pi(X)) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
    mark#(pi(X)) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
    mark#(pi(X)) -> mark#(X) -> mark#(s(X)) -> mark#(X)
    mark#(pi(X)) -> mark#(X) -> mark#(square(X)) -> a__square#(mark(X))
    mark#(pi(X)) -> mark#(X) -> mark#(square(X)) -> mark#(X)
    mark#(pi(X)) -> mark#(X) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(pi(X)) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
    mark#(pi(X)) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
    mark#(pi(X)) -> mark#(X) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(pi(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
    mark#(pi(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
    mark#(pi(X)) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
    mark#(pi(X)) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
    mark#(pi(X)) -> mark#(X) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(pi(X)) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(pi(X)) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(pi(X)) -> mark#(X) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(pi(X)) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(pi(X)) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(pi(X)) -> mark#(X) -> mark#(from(X)) -> a__from#(mark(X))
    mark#(pi(X)) -> mark#(X) ->
    mark#(from(X)) -> mark#(X)
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2)) ->
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2)) ->
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z))
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2)) ->
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2)) ->
    a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2)) ->
    a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z)))
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2)) ->
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N)
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2)) ->
    a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(negrecip(X)) -> mark#(X)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(posrecip(X)) -> mark#(X)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> mark#(X)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(square(X)) -> a__square#(mark(X))
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(square(X)) -> mark#(X)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> mark#(X1)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> mark#(X2)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(pi(X)) -> mark#(X)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(from(X)) -> a__from#(mark(X))
    mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
    mark#(from(X)) -> mark#(X)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(negrecip(X)) -> mark#(X)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(posrecip(X)) -> mark#(X)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> mark#(X)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(square(X)) -> a__square#(mark(X))
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(square(X)) -> mark#(X)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> mark#(X1)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> mark#(X2)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(pi(X)) -> mark#(X)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(from(X)) -> a__from#(mark(X))
    mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
    mark#(from(X)) -> mark#(X)
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2)) ->
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2)) ->
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z))
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2)) ->
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2)) ->
    a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2)) ->
    a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z)))
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2)) ->
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(N)
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2)) ->
    a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z)
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(negrecip(X)) -> mark#(X)
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(posrecip(X)) -> mark#(X)
    mark#(2ndspos(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> mark#(X)
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(square(X)) -> a__square#(mark(X))
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(square(X)) -> mark#(X)
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> mark#(X1)
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> mark#(X2)
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(pi(X)) -> mark#(X)
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(from(X)) -> a__from#(mark(X))
    mark#(2ndspos(X1,X2)) -> mark#(X2) ->
    mark#(from(X)) -> mark#(X)
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(negrecip(X)) -> mark#(X)
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(posrecip(X)) -> mark#(X)
    mark#(2ndspos(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> mark#(X)
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(square(X)) -> a__square#(mark(X))
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(square(X)) -> mark#(X)
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> mark#(X1)
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> mark#(X2)
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(pi(X)) -> mark#(X)
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(2ndspos(X1,X2)) -> mark#(X1) ->
    mark#(from(X)) -> a__from#(mark(X))
    mark#(2ndspos(X1,X2)) -> mark#(X1) -> mark#(from(X)) -> mark#(X)
    mark#(negrecip(X)) -> mark#(X) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(negrecip(X)) -> mark#(X) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(negrecip(X)) -> mark#(X) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(negrecip(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
    mark#(negrecip(X)) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
    mark#(negrecip(X)) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
    mark#(negrecip(X)) -> mark#(X) -> mark#(s(X)) -> mark#(X)
    mark#(negrecip(X)) -> mark#(X) ->
    mark#(square(X)) -> a__square#(mark(X))
    mark#(negrecip(X)) -> mark#(X) -> mark#(square(X)) -> mark#(X)
    mark#(negrecip(X)) -> mark#(X) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(negrecip(X)) -> mark#(X) ->
    mark#(times(X1,X2)) -> mark#(X1)
    mark#(negrecip(X)) -> mark#(X) ->
    mark#(times(X1,X2)) -> mark#(X2)
    mark#(negrecip(X)) -> mark#(X) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(negrecip(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
    mark#(negrecip(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
    mark#(negrecip(X)) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
    mark#(negrecip(X)) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
    mark#(negrecip(X)) -> mark#(X) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(negrecip(X)) -> mark#(X) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(negrecip(X)) -> mark#(X) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(negrecip(X)) -> mark#(X) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(negrecip(X)) -> mark#(X) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(negrecip(X)) -> mark#(X) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(negrecip(X)) -> mark#(X) ->
    mark#(from(X)) -> a__from#(mark(X))
    mark#(negrecip(X)) -> mark#(X) -> mark#(from(X)) -> mark#(X)
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(negrecip(X)) -> mark#(X)
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(posrecip(X)) -> mark#(X)
    mark#(rcons(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> mark#(X)
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(square(X)) -> a__square#(mark(X))
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(square(X)) -> mark#(X)
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> mark#(X1)
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> mark#(X2)
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    mark#(rcons(X1,X2)) -> mark#(X2) -> mark#(pi(X)) -> mark#(X)
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(rcons(X1,X2)) -> mark#(X2) ->
    mark#(from(X)) -> a__from#(mark(X))
    mark#(rcons(X1,X2)) -> mark#(X2) -> mark#(from(X)) -> mark#(X)
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(negrecip(X)) -> mark#(X)
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(posrecip(X)) -> mark#(X)
    mark#(rcons(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> mark#(X)
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(square(X)) -> a__square#(mark(X))
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(square(X)) -> mark#(X)
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> mark#(X1)
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> mark#(X2)
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    mark#(rcons(X1,X2)) -> mark#(X1) -> mark#(pi(X)) -> mark#(X)
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(rcons(X1,X2)) -> mark#(X1) ->
    mark#(from(X)) -> a__from#(mark(X))
    mark#(rcons(X1,X2)) -> mark#(X1) -> mark#(from(X)) -> mark#(X)
    mark#(posrecip(X)) -> mark#(X) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(posrecip(X)) -> mark#(X) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(posrecip(X)) -> mark#(X) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(posrecip(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
    mark#(posrecip(X)) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
    mark#(posrecip(X)) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
    mark#(posrecip(X)) -> mark#(X) -> mark#(s(X)) -> mark#(X)
    mark#(posrecip(X)) -> mark#(X) ->
    mark#(square(X)) -> a__square#(mark(X))
    mark#(posrecip(X)) -> mark#(X) -> mark#(square(X)) -> mark#(X)
    mark#(posrecip(X)) -> mark#(X) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(posrecip(X)) -> mark#(X) ->
    mark#(times(X1,X2)) -> mark#(X1)
    mark#(posrecip(X)) -> mark#(X) ->
    mark#(times(X1,X2)) -> mark#(X2)
    mark#(posrecip(X)) -> mark#(X) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(posrecip(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
    mark#(posrecip(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
    mark#(posrecip(X)) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
    mark#(posrecip(X)) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
    mark#(posrecip(X)) -> mark#(X) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(posrecip(X)) -> mark#(X) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(posrecip(X)) -> mark#(X) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(posrecip(X)) -> mark#(X) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(posrecip(X)) -> mark#(X) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(posrecip(X)) -> mark#(X) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(posrecip(X)) -> mark#(X) ->
    mark#(from(X)) -> a__from#(mark(X))
    mark#(posrecip(X)) -> mark#(X) -> mark#(from(X)) -> mark#(X)
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(negrecip(X)) -> mark#(X)
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(posrecip(X)) -> mark#(X)
    mark#(cons2(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> mark#(X)
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(square(X)) -> a__square#(mark(X))
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(square(X)) -> mark#(X)
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> mark#(X1)
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(times(X1,X2)) -> mark#(X2)
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    mark#(cons2(X1,X2)) -> mark#(X2) -> mark#(pi(X)) -> mark#(X)
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(cons2(X1,X2)) -> mark#(X2) ->
    mark#(from(X)) -> a__from#(mark(X))
    mark#(cons2(X1,X2)) -> mark#(X2) -> mark#(from(X)) -> mark#(X)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(cons(X1,X2)) -> mark#(X1)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(negrecip(X)) -> mark#(X)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(posrecip(X)) -> mark#(X)
    mark#(cons(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> mark#(X)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(square(X)) -> a__square#(mark(X))
    mark#(cons(X1,X2)) -> mark#(X1) -> mark#(square(X)) -> mark#(X)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> mark#(X1)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(times(X1,X2)) -> mark#(X2)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> mark#(X1)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(plus(X1,X2)) -> mark#(X2)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(pi(X)) -> a__pi#(mark(X))
    mark#(cons(X1,X2)) -> mark#(X1) -> mark#(pi(X)) -> mark#(X)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(cons(X1,X2)) -> mark#(X1) ->
    mark#(from(X)) -> a__from#(mark(X))
    mark#(cons(X1,X2)) -> mark#(X1) -> mark#(from(X)) -> mark#(X)
    mark#(from(X)) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(from(X)) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(from(X)) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(from(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
    mark#(from(X)) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
    mark#(from(X)) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
    mark#(from(X)) -> mark#(X) -> mark#(s(X)) -> mark#(X)
    mark#(from(X)) -> mark#(X) -> mark#(square(X)) -> a__square#(mark(X))
    mark#(from(X)) -> mark#(X) -> mark#(square(X)) -> mark#(X)
    mark#(from(X)) -> mark#(X) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(from(X)) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
    mark#(from(X)) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
    mark#(from(X)) -> mark#(X) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(from(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
    mark#(from(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
    mark#(from(X)) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
    mark#(from(X)) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
    mark#(from(X)) -> mark#(X) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(from(X)) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(from(X)) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(from(X)) -> mark#(X) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(from(X)) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(from(X)) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(from(X)) -> mark#(X) -> mark#(from(X)) -> a__from#(mark(X))
    mark#(from(X)) -> mark#(X) -> mark#(from(X)) -> mark#(X)
    mark#(from(X)) -> a__from#(mark(X)) -> a__from#(X) -> mark#(X)
    mark#(s(X)) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X1)
    mark#(s(X)) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
    mark#(s(X)) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
    mark#(s(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
    mark#(s(X)) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
    mark#(s(X)) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
    mark#(s(X)) -> mark#(X) -> mark#(s(X)) -> mark#(X)
    mark#(s(X)) -> mark#(X) -> mark#(square(X)) -> a__square#(mark(X))
    mark#(s(X)) -> mark#(X) -> mark#(square(X)) -> mark#(X)
    mark#(s(X)) -> mark#(X) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    mark#(s(X)) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
    mark#(s(X)) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
    mark#(s(X)) -> mark#(X) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    mark#(s(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
    mark#(s(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
    mark#(s(X)) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
    mark#(s(X)) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
    mark#(s(X)) -> mark#(X) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    mark#(s(X)) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
    mark#(s(X)) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
    mark#(s(X)) -> mark#(X) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    mark#(s(X)) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
    mark#(s(X)) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
    mark#(s(X)) -> mark#(X) -> mark#(from(X)) -> a__from#(mark(X))
    mark#(s(X)) -> mark#(X) -> mark#(from(X)) -> mark#(X)
    a__from#(X) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X1)
    a__from#(X) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
    a__from#(X) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
    a__from#(X) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
    a__from#(X) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
    a__from#(X) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
    a__from#(X) -> mark#(X) -> mark#(s(X)) -> mark#(X)
    a__from#(X) -> mark#(X) -> mark#(square(X)) -> a__square#(mark(X))
    a__from#(X) -> mark#(X) -> mark#(square(X)) -> mark#(X)
    a__from#(X) -> mark#(X) ->
    mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
    a__from#(X) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
    a__from#(X) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
    a__from#(X) -> mark#(X) ->
    mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
    a__from#(X) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
    a__from#(X) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
    a__from#(X) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
    a__from#(X) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
    a__from#(X) -> mark#(X) ->
    mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
    a__from#(X) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
    a__from#(X) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
    a__from#(X) -> mark#(X) ->
    mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
    a__from#(X) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
    a__from#(X) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
    a__from#(X) -> mark#(X) -> mark#(from(X)) -> a__from#(mark(X))
    a__from#(X) -> mark#(X) -> mark#(from(X)) -> mark#(X)
   EDG Processor:
    DPs:
     a__from#(X) -> mark#(X)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N)
     a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z)))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N)
     a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z)))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
     a__pi#(X) -> a__from#(0())
     a__pi#(X) -> mark#(X)
     a__pi#(X) -> a__2ndspos#(mark(X),a__from(0()))
     a__plus#(0(),Y) -> mark#(Y)
     a__plus#(s(X),Y) -> mark#(Y)
     a__plus#(s(X),Y) -> mark#(X)
     a__plus#(s(X),Y) -> a__plus#(mark(X),mark(Y))
     a__times#(s(X),Y) -> mark#(X)
     a__times#(s(X),Y) -> a__times#(mark(X),mark(Y))
     a__times#(s(X),Y) -> mark#(Y)
     a__times#(s(X),Y) -> a__plus#(mark(Y),a__times(mark(X),mark(Y)))
     a__square#(X) -> mark#(X)
     a__square#(X) -> a__times#(mark(X),mark(X))
     mark#(from(X)) -> mark#(X)
     mark#(from(X)) -> a__from#(mark(X))
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(pi(X)) -> mark#(X)
     mark#(pi(X)) -> a__pi#(mark(X))
     mark#(plus(X1,X2)) -> mark#(X2)
     mark#(plus(X1,X2)) -> mark#(X1)
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(times(X1,X2)) -> mark#(X2)
     mark#(times(X1,X2)) -> mark#(X1)
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(square(X)) -> mark#(X)
     mark#(square(X)) -> a__square#(mark(X))
     mark#(s(X)) -> mark#(X)
     mark#(posrecip(X)) -> mark#(X)
     mark#(negrecip(X)) -> mark#(X)
     mark#(cons(X1,X2)) -> mark#(X1)
     mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(rcons(X1,X2)) -> mark#(X1)
    TRS:
     a__from(X) -> cons(mark(X),from(s(X)))
     a__2ndspos(0(),Z) -> rnil()
     a__2ndspos(s(N),cons(X,Z)) -> a__2ndspos(s(mark(N)),cons2(X,mark(Z)))
     a__2ndspos(s(N),cons2(X,cons(Y,Z))) -> rcons(posrecip(mark(Y)),a__2ndsneg(mark(N),mark(Z)))
     a__2ndsneg(0(),Z) -> rnil()
     a__2ndsneg(s(N),cons(X,Z)) -> a__2ndsneg(s(mark(N)),cons2(X,mark(Z)))
     a__2ndsneg(s(N),cons2(X,cons(Y,Z))) -> rcons(negrecip(mark(Y)),a__2ndspos(mark(N),mark(Z)))
     a__pi(X) -> a__2ndspos(mark(X),a__from(0()))
     a__plus(0(),Y) -> mark(Y)
     a__plus(s(X),Y) -> s(a__plus(mark(X),mark(Y)))
     a__times(0(),Y) -> 0()
     a__times(s(X),Y) -> a__plus(mark(Y),a__times(mark(X),mark(Y)))
     a__square(X) -> a__times(mark(X),mark(X))
     mark(from(X)) -> a__from(mark(X))
     mark(2ndspos(X1,X2)) -> a__2ndspos(mark(X1),mark(X2))
     mark(2ndsneg(X1,X2)) -> a__2ndsneg(mark(X1),mark(X2))
     mark(pi(X)) -> a__pi(mark(X))
     mark(plus(X1,X2)) -> a__plus(mark(X1),mark(X2))
     mark(times(X1,X2)) -> a__times(mark(X1),mark(X2))
     mark(square(X)) -> a__square(mark(X))
     mark(0()) -> 0()
     mark(s(X)) -> s(mark(X))
     mark(posrecip(X)) -> posrecip(mark(X))
     mark(negrecip(X)) -> negrecip(mark(X))
     mark(nil()) -> nil()
     mark(cons(X1,X2)) -> cons(mark(X1),X2)
     mark(cons2(X1,X2)) -> cons2(X1,mark(X2))
     mark(rnil()) -> rnil()
     mark(rcons(X1,X2)) -> rcons(mark(X1),mark(X2))
     a__from(X) -> from(X)
     a__2ndspos(X1,X2) -> 2ndspos(X1,X2)
     a__2ndsneg(X1,X2) -> 2ndsneg(X1,X2)
     a__pi(X) -> pi(X)
     a__plus(X1,X2) -> plus(X1,X2)
     a__times(X1,X2) -> times(X1,X2)
     a__square(X) -> square(X)
    graph:
     a__square#(X) -> a__times#(mark(X),mark(X)) ->
     a__times#(s(X),Y) -> mark#(X)
     a__square#(X) -> a__times#(mark(X),mark(X)) ->
     a__times#(s(X),Y) -> a__times#(mark(X),mark(Y))
     a__square#(X) -> a__times#(mark(X),mark(X)) ->
     a__times#(s(X),Y) -> mark#(Y)
     a__square#(X) -> a__times#(mark(X),mark(X)) ->
     a__times#(s(X),Y) -> a__plus#(mark(Y),a__times(mark(X),mark(Y)))
     a__square#(X) -> mark#(X) -> mark#(from(X)) -> mark#(X)
     a__square#(X) -> mark#(X) -> mark#(from(X)) -> a__from#(mark(X))
     a__square#(X) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__square#(X) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__square#(X) -> mark#(X) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__square#(X) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__square#(X) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__square#(X) -> mark#(X) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__square#(X) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
     a__square#(X) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
     a__square#(X) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
     a__square#(X) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
     a__square#(X) -> mark#(X) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__square#(X) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
     a__square#(X) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
     a__square#(X) -> mark#(X) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__square#(X) -> mark#(X) -> mark#(square(X)) -> mark#(X)
     a__square#(X) -> mark#(X) -> mark#(square(X)) -> a__square#(mark(X))
     a__square#(X) -> mark#(X) -> mark#(s(X)) -> mark#(X)
     a__square#(X) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
     a__square#(X) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
     a__square#(X) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
     a__square#(X) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
     a__square#(X) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
     a__square#(X) -> mark#(X) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     a__times#(s(X),Y) -> a__times#(mark(X),mark(Y)) ->
     a__times#(s(X),Y) -> mark#(X)
     a__times#(s(X),Y) -> a__times#(mark(X),mark(Y)) ->
     a__times#(s(X),Y) -> a__times#(mark(X),mark(Y))
     a__times#(s(X),Y) -> a__times#(mark(X),mark(Y)) ->
     a__times#(s(X),Y) -> mark#(Y)
     a__times#(s(X),Y) -> a__times#(mark(X),mark(Y)) ->
     a__times#(s(X),Y) -> a__plus#(mark(Y),a__times(mark(X),mark(Y)))
     a__times#(s(X),Y) -> a__plus#(mark(Y),a__times(mark(X),mark(Y))) ->
     a__plus#(0(),Y) -> mark#(Y)
     a__times#(s(X),Y) -> a__plus#(mark(Y),a__times(mark(X),mark(Y))) ->
     a__plus#(s(X),Y) -> mark#(Y)
     a__times#(s(X),Y) -> a__plus#(mark(Y),a__times(mark(X),mark(Y))) ->
     a__plus#(s(X),Y) -> mark#(X)
     a__times#(s(X),Y) -> a__plus#(mark(Y),a__times(mark(X),mark(Y))) ->
     a__plus#(s(X),Y) -> a__plus#(mark(X),mark(Y))
     a__times#(s(X),Y) -> mark#(Y) -> mark#(from(X)) -> mark#(X)
     a__times#(s(X),Y) -> mark#(Y) ->
     mark#(from(X)) -> a__from#(mark(X))
     a__times#(s(X),Y) -> mark#(Y) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__times#(s(X),Y) -> mark#(Y) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__times#(s(X),Y) -> mark#(Y) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__times#(s(X),Y) -> mark#(Y) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__times#(s(X),Y) -> mark#(Y) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__times#(s(X),Y) -> mark#(Y) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__times#(s(X),Y) -> mark#(Y) -> mark#(pi(X)) -> mark#(X)
     a__times#(s(X),Y) -> mark#(Y) -> mark#(pi(X)) -> a__pi#(mark(X))
     a__times#(s(X),Y) -> mark#(Y) -> mark#(plus(X1,X2)) -> mark#(X2)
     a__times#(s(X),Y) -> mark#(Y) -> mark#(plus(X1,X2)) -> mark#(X1)
     a__times#(s(X),Y) -> mark#(Y) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__times#(s(X),Y) -> mark#(Y) -> mark#(times(X1,X2)) -> mark#(X2)
     a__times#(s(X),Y) -> mark#(Y) -> mark#(times(X1,X2)) -> mark#(X1)
     a__times#(s(X),Y) -> mark#(Y) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__times#(s(X),Y) -> mark#(Y) -> mark#(square(X)) -> mark#(X)
     a__times#(s(X),Y) -> mark#(Y) ->
     mark#(square(X)) -> a__square#(mark(X))
     a__times#(s(X),Y) -> mark#(Y) -> mark#(s(X)) -> mark#(X)
     a__times#(s(X),Y) -> mark#(Y) -> mark#(posrecip(X)) -> mark#(X)
     a__times#(s(X),Y) -> mark#(Y) -> mark#(negrecip(X)) -> mark#(X)
     a__times#(s(X),Y) -> mark#(Y) -> mark#(cons(X1,X2)) -> mark#(X1)
     a__times#(s(X),Y) -> mark#(Y) -> mark#(cons2(X1,X2)) -> mark#(X2)
     a__times#(s(X),Y) -> mark#(Y) -> mark#(rcons(X1,X2)) -> mark#(X2)
     a__times#(s(X),Y) -> mark#(Y) -> mark#(rcons(X1,X2)) -> mark#(X1)
     a__times#(s(X),Y) -> mark#(X) -> mark#(from(X)) -> mark#(X)
     a__times#(s(X),Y) -> mark#(X) ->
     mark#(from(X)) -> a__from#(mark(X))
     a__times#(s(X),Y) -> mark#(X) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__times#(s(X),Y) -> mark#(X) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__times#(s(X),Y) -> mark#(X) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__times#(s(X),Y) -> mark#(X) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__times#(s(X),Y) -> mark#(X) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__times#(s(X),Y) -> mark#(X) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__times#(s(X),Y) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
     a__times#(s(X),Y) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
     a__times#(s(X),Y) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
     a__times#(s(X),Y) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
     a__times#(s(X),Y) -> mark#(X) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__times#(s(X),Y) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
     a__times#(s(X),Y) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
     a__times#(s(X),Y) -> mark#(X) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__times#(s(X),Y) -> mark#(X) -> mark#(square(X)) -> mark#(X)
     a__times#(s(X),Y) -> mark#(X) ->
     mark#(square(X)) -> a__square#(mark(X))
     a__times#(s(X),Y) -> mark#(X) -> mark#(s(X)) -> mark#(X)
     a__times#(s(X),Y) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
     a__times#(s(X),Y) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
     a__times#(s(X),Y) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
     a__times#(s(X),Y) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
     a__times#(s(X),Y) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
     a__times#(s(X),Y) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X1)
     a__plus#(0(),Y) -> mark#(Y) -> mark#(from(X)) -> mark#(X)
     a__plus#(0(),Y) -> mark#(Y) -> mark#(from(X)) -> a__from#(mark(X))
     a__plus#(0(),Y) -> mark#(Y) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__plus#(0(),Y) -> mark#(Y) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__plus#(0(),Y) -> mark#(Y) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__plus#(0(),Y) -> mark#(Y) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__plus#(0(),Y) -> mark#(Y) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__plus#(0(),Y) -> mark#(Y) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__plus#(0(),Y) -> mark#(Y) -> mark#(pi(X)) -> mark#(X)
     a__plus#(0(),Y) -> mark#(Y) -> mark#(pi(X)) -> a__pi#(mark(X))
     a__plus#(0(),Y) -> mark#(Y) -> mark#(plus(X1,X2)) -> mark#(X2)
     a__plus#(0(),Y) -> mark#(Y) -> mark#(plus(X1,X2)) -> mark#(X1)
     a__plus#(0(),Y) -> mark#(Y) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__plus#(0(),Y) -> mark#(Y) -> mark#(times(X1,X2)) -> mark#(X2)
     a__plus#(0(),Y) -> mark#(Y) -> mark#(times(X1,X2)) -> mark#(X1)
     a__plus#(0(),Y) -> mark#(Y) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__plus#(0(),Y) -> mark#(Y) -> mark#(square(X)) -> mark#(X)
     a__plus#(0(),Y) -> mark#(Y) ->
     mark#(square(X)) -> a__square#(mark(X))
     a__plus#(0(),Y) -> mark#(Y) -> mark#(s(X)) -> mark#(X)
     a__plus#(0(),Y) -> mark#(Y) -> mark#(posrecip(X)) -> mark#(X)
     a__plus#(0(),Y) -> mark#(Y) -> mark#(negrecip(X)) -> mark#(X)
     a__plus#(0(),Y) -> mark#(Y) -> mark#(cons(X1,X2)) -> mark#(X1)
     a__plus#(0(),Y) -> mark#(Y) -> mark#(cons2(X1,X2)) -> mark#(X2)
     a__plus#(0(),Y) -> mark#(Y) -> mark#(rcons(X1,X2)) -> mark#(X2)
     a__plus#(0(),Y) -> mark#(Y) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     a__plus#(s(X),Y) -> a__plus#(mark(X),mark(Y)) ->
     a__plus#(0(),Y) -> mark#(Y)
     a__plus#(s(X),Y) -> a__plus#(mark(X),mark(Y)) ->
     a__plus#(s(X),Y) -> mark#(Y)
     a__plus#(s(X),Y) -> a__plus#(mark(X),mark(Y)) ->
     a__plus#(s(X),Y) -> mark#(X)
     a__plus#(s(X),Y) -> a__plus#(mark(X),mark(Y)) ->
     a__plus#(s(X),Y) -> a__plus#(mark(X),mark(Y))
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(from(X)) -> mark#(X)
     a__plus#(s(X),Y) -> mark#(Y) ->
     mark#(from(X)) -> a__from#(mark(X))
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__plus#(s(X),Y) -> mark#(Y) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__plus#(s(X),Y) -> mark#(Y) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(pi(X)) -> mark#(X)
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(pi(X)) -> a__pi#(mark(X))
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(plus(X1,X2)) -> mark#(X2)
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(plus(X1,X2)) -> mark#(X1)
     a__plus#(s(X),Y) -> mark#(Y) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(times(X1,X2)) -> mark#(X2)
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(times(X1,X2)) -> mark#(X1)
     a__plus#(s(X),Y) -> mark#(Y) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(square(X)) -> mark#(X)
     a__plus#(s(X),Y) -> mark#(Y) ->
     mark#(square(X)) -> a__square#(mark(X))
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(s(X)) -> mark#(X)
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(posrecip(X)) -> mark#(X)
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(negrecip(X)) -> mark#(X)
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(cons(X1,X2)) -> mark#(X1)
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(cons2(X1,X2)) -> mark#(X2)
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(rcons(X1,X2)) -> mark#(X2)
     a__plus#(s(X),Y) -> mark#(Y) -> mark#(rcons(X1,X2)) -> mark#(X1)
     a__plus#(s(X),Y) -> mark#(X) -> mark#(from(X)) -> mark#(X)
     a__plus#(s(X),Y) -> mark#(X) ->
     mark#(from(X)) -> a__from#(mark(X))
     a__plus#(s(X),Y) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__plus#(s(X),Y) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__plus#(s(X),Y) -> mark#(X) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__plus#(s(X),Y) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__plus#(s(X),Y) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__plus#(s(X),Y) -> mark#(X) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__plus#(s(X),Y) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
     a__plus#(s(X),Y) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
     a__plus#(s(X),Y) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
     a__plus#(s(X),Y) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
     a__plus#(s(X),Y) -> mark#(X) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__plus#(s(X),Y) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
     a__plus#(s(X),Y) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
     a__plus#(s(X),Y) -> mark#(X) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__plus#(s(X),Y) -> mark#(X) -> mark#(square(X)) -> mark#(X)
     a__plus#(s(X),Y) -> mark#(X) ->
     mark#(square(X)) -> a__square#(mark(X))
     a__plus#(s(X),Y) -> mark#(X) -> mark#(s(X)) -> mark#(X)
     a__plus#(s(X),Y) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
     a__plus#(s(X),Y) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
     a__plus#(s(X),Y) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
     a__plus#(s(X),Y) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
     a__plus#(s(X),Y) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
     a__plus#(s(X),Y) -> mark#(X) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     a__pi#(X) -> a__2ndspos#(mark(X),a__from(0())) ->
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z)
     a__pi#(X) -> a__2ndspos#(mark(X),a__from(0())) ->
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N)
     a__pi#(X) -> a__2ndspos#(mark(X),a__from(0())) ->
     a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z)))
     a__pi#(X) -> a__2ndspos#(mark(X),a__from(0())) ->
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
     a__pi#(X) -> a__2ndspos#(mark(X),a__from(0())) ->
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
     a__pi#(X) -> a__2ndspos#(mark(X),a__from(0())) ->
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z))
     a__pi#(X) -> a__2ndspos#(mark(X),a__from(0())) ->
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
     a__pi#(X) -> mark#(X) -> mark#(from(X)) -> mark#(X)
     a__pi#(X) -> mark#(X) -> mark#(from(X)) -> a__from#(mark(X))
     a__pi#(X) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__pi#(X) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__pi#(X) -> mark#(X) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__pi#(X) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__pi#(X) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__pi#(X) -> mark#(X) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__pi#(X) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
     a__pi#(X) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
     a__pi#(X) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
     a__pi#(X) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
     a__pi#(X) -> mark#(X) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__pi#(X) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
     a__pi#(X) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
     a__pi#(X) -> mark#(X) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__pi#(X) -> mark#(X) -> mark#(square(X)) -> mark#(X)
     a__pi#(X) -> mark#(X) -> mark#(square(X)) -> a__square#(mark(X))
     a__pi#(X) -> mark#(X) -> mark#(s(X)) -> mark#(X)
     a__pi#(X) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
     a__pi#(X) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
     a__pi#(X) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
     a__pi#(X) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
     a__pi#(X) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
     a__pi#(X) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X1)
     a__pi#(X) -> a__from#(0()) ->
     a__from#(X) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z)) ->
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z)) ->
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z)) ->
     a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z)))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z)) ->
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z)) ->
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z)) ->
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z)) ->
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(from(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(from(X)) -> a__from#(mark(X))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(pi(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(times(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(times(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(square(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(square(X)) -> a__square#(mark(X))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(s(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(posrecip(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(negrecip(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(from(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(from(X)) -> a__from#(mark(X))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(pi(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(times(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(times(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(square(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(square(X)) -> a__square#(mark(X))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(s(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(posrecip(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(negrecip(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(from(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(from(X)) -> a__from#(mark(X))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(pi(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(times(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(times(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(square(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(square(X)) -> a__square#(mark(X))
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(s(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(posrecip(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(negrecip(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z))) ->
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
     a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z))) ->
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
     a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z))) ->
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z))
     a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z))) ->
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(from(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(from(X)) -> a__from#(mark(X))
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(pi(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(times(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(times(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(square(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(square(X)) -> a__square#(mark(X))
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(s(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(posrecip(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(negrecip(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(from(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(from(X)) -> a__from#(mark(X))
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(pi(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(times(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(times(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(square(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(square(X)) -> a__square#(mark(X))
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(s(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(posrecip(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(negrecip(X)) -> mark#(X)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z)) ->
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z)) ->
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z)) ->
     a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z)))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z)) ->
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z)) ->
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z)) ->
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z)) ->
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(from(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(from(X)) -> a__from#(mark(X))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(pi(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(times(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(times(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(square(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(square(X)) -> a__square#(mark(X))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(s(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(posrecip(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(negrecip(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(from(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(from(X)) -> a__from#(mark(X))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(pi(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(times(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(times(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(square(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(square(X)) -> a__square#(mark(X))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(s(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(posrecip(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(negrecip(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(from(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(from(X)) -> a__from#(mark(X))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(pi(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(times(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(times(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(square(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(square(X)) -> a__square#(mark(X))
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(s(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(posrecip(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(negrecip(X)) -> mark#(X)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z))) ->
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
     a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z))) ->
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
     a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z))) ->
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z))
     a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z))) ->
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(from(X)) -> mark#(X)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(from(X)) -> a__from#(mark(X))
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(pi(X)) -> mark#(X)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(times(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(times(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(square(X)) -> mark#(X)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(square(X)) -> a__square#(mark(X))
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(s(X)) -> mark#(X)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(posrecip(X)) -> mark#(X)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(negrecip(X)) -> mark#(X)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(from(X)) -> mark#(X)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(from(X)) -> a__from#(mark(X))
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(pi(X)) -> mark#(X)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(times(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(times(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(square(X)) -> mark#(X)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(square(X)) -> a__square#(mark(X))
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(s(X)) -> mark#(X)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(posrecip(X)) -> mark#(X)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(negrecip(X)) -> mark#(X)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(square(X)) -> a__square#(mark(X)) ->
     a__square#(X) -> mark#(X)
     mark#(square(X)) -> a__square#(mark(X)) ->
     a__square#(X) -> a__times#(mark(X),mark(X))
     mark#(square(X)) -> mark#(X) -> mark#(from(X)) -> mark#(X)
     mark#(square(X)) -> mark#(X) ->
     mark#(from(X)) -> a__from#(mark(X))
     mark#(square(X)) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(square(X)) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(square(X)) -> mark#(X) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(square(X)) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(square(X)) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(square(X)) -> mark#(X) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(square(X)) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
     mark#(square(X)) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
     mark#(square(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
     mark#(square(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
     mark#(square(X)) -> mark#(X) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(square(X)) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
     mark#(square(X)) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
     mark#(square(X)) -> mark#(X) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(square(X)) -> mark#(X) -> mark#(square(X)) -> mark#(X)
     mark#(square(X)) -> mark#(X) ->
     mark#(square(X)) -> a__square#(mark(X))
     mark#(square(X)) -> mark#(X) -> mark#(s(X)) -> mark#(X)
     mark#(square(X)) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
     mark#(square(X)) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
     mark#(square(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
     mark#(square(X)) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(square(X)) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(square(X)) -> mark#(X) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2)) ->
     a__times#(s(X),Y) -> mark#(X)
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2)) ->
     a__times#(s(X),Y) -> a__times#(mark(X),mark(Y))
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2)) ->
     a__times#(s(X),Y) -> mark#(Y)
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2)) ->
     a__times#(s(X),Y) -> a__plus#(mark(Y),a__times(mark(X),mark(Y)))
     mark#(times(X1,X2)) -> mark#(X2) -> mark#(from(X)) -> mark#(X)
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(from(X)) -> a__from#(mark(X))
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(times(X1,X2)) -> mark#(X2) -> mark#(pi(X)) -> mark#(X)
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> mark#(X2)
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> mark#(X1)
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(square(X)) -> mark#(X)
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(square(X)) -> a__square#(mark(X))
     mark#(times(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> mark#(X)
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(posrecip(X)) -> mark#(X)
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(negrecip(X)) -> mark#(X)
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(times(X1,X2)) -> mark#(X2) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(times(X1,X2)) -> mark#(X1) -> mark#(from(X)) -> mark#(X)
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(from(X)) -> a__from#(mark(X))
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(times(X1,X2)) -> mark#(X1) -> mark#(pi(X)) -> mark#(X)
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> mark#(X2)
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> mark#(X1)
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(square(X)) -> mark#(X)
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(square(X)) -> a__square#(mark(X))
     mark#(times(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> mark#(X)
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(posrecip(X)) -> mark#(X)
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(negrecip(X)) -> mark#(X)
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(times(X1,X2)) -> mark#(X1) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2)) ->
     a__plus#(0(),Y) -> mark#(Y)
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2)) ->
     a__plus#(s(X),Y) -> mark#(Y)
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2)) ->
     a__plus#(s(X),Y) -> mark#(X)
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2)) ->
     a__plus#(s(X),Y) -> a__plus#(mark(X),mark(Y))
     mark#(plus(X1,X2)) -> mark#(X2) -> mark#(from(X)) -> mark#(X)
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(from(X)) -> a__from#(mark(X))
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(plus(X1,X2)) -> mark#(X2) -> mark#(pi(X)) -> mark#(X)
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> mark#(X2)
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> mark#(X1)
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(plus(X1,X2)) -> mark#(X2) -> mark#(square(X)) -> mark#(X)
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(square(X)) -> a__square#(mark(X))
     mark#(plus(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> mark#(X)
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(posrecip(X)) -> mark#(X)
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(negrecip(X)) -> mark#(X)
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(plus(X1,X2)) -> mark#(X2) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(plus(X1,X2)) -> mark#(X1) -> mark#(from(X)) -> mark#(X)
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(from(X)) -> a__from#(mark(X))
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(plus(X1,X2)) -> mark#(X1) -> mark#(pi(X)) -> mark#(X)
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> mark#(X2)
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> mark#(X1)
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(plus(X1,X2)) -> mark#(X1) -> mark#(square(X)) -> mark#(X)
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(square(X)) -> a__square#(mark(X))
     mark#(plus(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> mark#(X)
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(posrecip(X)) -> mark#(X)
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(negrecip(X)) -> mark#(X)
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(plus(X1,X2)) -> mark#(X1) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(pi(X)) -> a__pi#(mark(X)) -> a__pi#(X) -> a__from#(0())
     mark#(pi(X)) -> a__pi#(mark(X)) -> a__pi#(X) -> mark#(X)
     mark#(pi(X)) -> a__pi#(mark(X)) ->
     a__pi#(X) -> a__2ndspos#(mark(X),a__from(0()))
     mark#(pi(X)) -> mark#(X) -> mark#(from(X)) -> mark#(X)
     mark#(pi(X)) -> mark#(X) -> mark#(from(X)) -> a__from#(mark(X))
     mark#(pi(X)) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(pi(X)) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(pi(X)) -> mark#(X) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(pi(X)) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(pi(X)) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(pi(X)) -> mark#(X) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(pi(X)) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
     mark#(pi(X)) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
     mark#(pi(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
     mark#(pi(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
     mark#(pi(X)) -> mark#(X) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(pi(X)) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
     mark#(pi(X)) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
     mark#(pi(X)) -> mark#(X) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(pi(X)) -> mark#(X) -> mark#(square(X)) -> mark#(X)
     mark#(pi(X)) -> mark#(X) -> mark#(square(X)) -> a__square#(mark(X))
     mark#(pi(X)) -> mark#(X) -> mark#(s(X)) -> mark#(X)
     mark#(pi(X)) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
     mark#(pi(X)) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
     mark#(pi(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
     mark#(pi(X)) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(pi(X)) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(pi(X)) -> mark#(X) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2)) ->
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(Z)
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2)) ->
     a__2ndsneg#(s(N),cons(X,Z)) -> mark#(N)
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2)) ->
     a__2ndsneg#(s(N),cons(X,Z)) -> a__2ndsneg#(s(mark(N)),cons2(X,mark(Z)))
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2)) ->
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2)) ->
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2)) ->
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> a__2ndspos#(mark(N),mark(Z))
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2)) ->
     a__2ndsneg#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(from(X)) -> mark#(X)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(from(X)) -> a__from#(mark(X))
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(pi(X)) -> mark#(X)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> mark#(X2)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> mark#(X1)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(square(X)) -> mark#(X)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(square(X)) -> a__square#(mark(X))
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(s(X)) -> mark#(X)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(posrecip(X)) -> mark#(X)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(negrecip(X)) -> mark#(X)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(2ndsneg(X1,X2)) -> mark#(X2) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(from(X)) -> mark#(X)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(from(X)) -> a__from#(mark(X))
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(pi(X)) -> mark#(X)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> mark#(X2)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> mark#(X1)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(square(X)) -> mark#(X)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(square(X)) -> a__square#(mark(X))
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(s(X)) -> mark#(X)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(posrecip(X)) -> mark#(X)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(negrecip(X)) -> mark#(X)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(2ndsneg(X1,X2)) -> mark#(X1) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2)) ->
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(Z)
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2)) ->
     a__2ndspos#(s(N),cons(X,Z)) -> mark#(N)
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2)) ->
     a__2ndspos#(s(N),cons(X,Z)) -> a__2ndspos#(s(mark(N)),cons2(X,mark(Z)))
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2)) ->
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Z)
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2)) ->
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(N)
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2)) ->
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> a__2ndsneg#(mark(N),mark(Z))
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2)) ->
     a__2ndspos#(s(N),cons2(X,cons(Y,Z))) -> mark#(Y)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(from(X)) -> mark#(X)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(from(X)) -> a__from#(mark(X))
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(pi(X)) -> mark#(X)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> mark#(X2)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> mark#(X1)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(square(X)) -> mark#(X)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(square(X)) -> a__square#(mark(X))
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(s(X)) -> mark#(X)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(posrecip(X)) -> mark#(X)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(negrecip(X)) -> mark#(X)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(2ndspos(X1,X2)) -> mark#(X2) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(from(X)) -> mark#(X)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(from(X)) -> a__from#(mark(X))
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(pi(X)) -> mark#(X)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> mark#(X2)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> mark#(X1)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(square(X)) -> mark#(X)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(square(X)) -> a__square#(mark(X))
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(s(X)) -> mark#(X)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(posrecip(X)) -> mark#(X)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(negrecip(X)) -> mark#(X)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(2ndspos(X1,X2)) -> mark#(X1) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(negrecip(X)) -> mark#(X) -> mark#(from(X)) -> mark#(X)
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(from(X)) -> a__from#(mark(X))
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(negrecip(X)) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(times(X1,X2)) -> mark#(X2)
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(times(X1,X2)) -> mark#(X1)
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(negrecip(X)) -> mark#(X) -> mark#(square(X)) -> mark#(X)
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(square(X)) -> a__square#(mark(X))
     mark#(negrecip(X)) -> mark#(X) -> mark#(s(X)) -> mark#(X)
     mark#(negrecip(X)) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
     mark#(negrecip(X)) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(negrecip(X)) -> mark#(X) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(rcons(X1,X2)) -> mark#(X2) -> mark#(from(X)) -> mark#(X)
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(from(X)) -> a__from#(mark(X))
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(rcons(X1,X2)) -> mark#(X2) -> mark#(pi(X)) -> mark#(X)
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> mark#(X2)
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> mark#(X1)
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(square(X)) -> mark#(X)
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(square(X)) -> a__square#(mark(X))
     mark#(rcons(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> mark#(X)
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(posrecip(X)) -> mark#(X)
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(negrecip(X)) -> mark#(X)
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(rcons(X1,X2)) -> mark#(X2) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(rcons(X1,X2)) -> mark#(X1) -> mark#(from(X)) -> mark#(X)
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(from(X)) -> a__from#(mark(X))
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(rcons(X1,X2)) -> mark#(X1) -> mark#(pi(X)) -> mark#(X)
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> mark#(X2)
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> mark#(X1)
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(square(X)) -> mark#(X)
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(square(X)) -> a__square#(mark(X))
     mark#(rcons(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> mark#(X)
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(posrecip(X)) -> mark#(X)
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(negrecip(X)) -> mark#(X)
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(rcons(X1,X2)) -> mark#(X1) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(posrecip(X)) -> mark#(X) -> mark#(from(X)) -> mark#(X)
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(from(X)) -> a__from#(mark(X))
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(posrecip(X)) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(times(X1,X2)) -> mark#(X2)
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(times(X1,X2)) -> mark#(X1)
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(posrecip(X)) -> mark#(X) -> mark#(square(X)) -> mark#(X)
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(square(X)) -> a__square#(mark(X))
     mark#(posrecip(X)) -> mark#(X) -> mark#(s(X)) -> mark#(X)
     mark#(posrecip(X)) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
     mark#(posrecip(X)) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(posrecip(X)) -> mark#(X) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(cons2(X1,X2)) -> mark#(X2) -> mark#(from(X)) -> mark#(X)
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(from(X)) -> a__from#(mark(X))
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(cons2(X1,X2)) -> mark#(X2) -> mark#(pi(X)) -> mark#(X)
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> mark#(X2)
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> mark#(X1)
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(square(X)) -> mark#(X)
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(square(X)) -> a__square#(mark(X))
     mark#(cons2(X1,X2)) -> mark#(X2) -> mark#(s(X)) -> mark#(X)
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(posrecip(X)) -> mark#(X)
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(negrecip(X)) -> mark#(X)
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(cons2(X1,X2)) -> mark#(X2) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(cons(X1,X2)) -> mark#(X1) -> mark#(from(X)) -> mark#(X)
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(from(X)) -> a__from#(mark(X))
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(cons(X1,X2)) -> mark#(X1) -> mark#(pi(X)) -> mark#(X)
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(pi(X)) -> a__pi#(mark(X))
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> mark#(X2)
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> mark#(X1)
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> mark#(X2)
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> mark#(X1)
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(cons(X1,X2)) -> mark#(X1) -> mark#(square(X)) -> mark#(X)
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(square(X)) -> a__square#(mark(X))
     mark#(cons(X1,X2)) -> mark#(X1) -> mark#(s(X)) -> mark#(X)
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(posrecip(X)) -> mark#(X)
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(negrecip(X)) -> mark#(X)
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(cons(X1,X2)) -> mark#(X1)
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(cons(X1,X2)) -> mark#(X1) ->
     mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(cons(X1,X2)) -> mark#(X1) -> mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(from(X)) -> mark#(X) -> mark#(from(X)) -> mark#(X)
     mark#(from(X)) -> mark#(X) -> mark#(from(X)) -> a__from#(mark(X))
     mark#(from(X)) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(from(X)) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(from(X)) -> mark#(X) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(from(X)) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(from(X)) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(from(X)) -> mark#(X) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(from(X)) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
     mark#(from(X)) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
     mark#(from(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
     mark#(from(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
     mark#(from(X)) -> mark#(X) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(from(X)) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
     mark#(from(X)) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
     mark#(from(X)) -> mark#(X) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(from(X)) -> mark#(X) -> mark#(square(X)) -> mark#(X)
     mark#(from(X)) -> mark#(X) ->
     mark#(square(X)) -> a__square#(mark(X))
     mark#(from(X)) -> mark#(X) -> mark#(s(X)) -> mark#(X)
     mark#(from(X)) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
     mark#(from(X)) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
     mark#(from(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
     mark#(from(X)) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(from(X)) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(from(X)) -> mark#(X) ->
     mark#(rcons(X1,X2)) -> mark#(X1)
     mark#(from(X)) -> a__from#(mark(X)) -> a__from#(X) -> mark#(X)
     mark#(s(X)) -> mark#(X) -> mark#(from(X)) -> mark#(X)
     mark#(s(X)) -> mark#(X) -> mark#(from(X)) -> a__from#(mark(X))
     mark#(s(X)) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
     mark#(s(X)) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
     mark#(s(X)) -> mark#(X) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     mark#(s(X)) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
     mark#(s(X)) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
     mark#(s(X)) -> mark#(X) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     mark#(s(X)) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
     mark#(s(X)) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
     mark#(s(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
     mark#(s(X)) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
     mark#(s(X)) -> mark#(X) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     mark#(s(X)) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
     mark#(s(X)) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
     mark#(s(X)) -> mark#(X) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     mark#(s(X)) -> mark#(X) -> mark#(square(X)) -> mark#(X)
     mark#(s(X)) -> mark#(X) -> mark#(square(X)) -> a__square#(mark(X))
     mark#(s(X)) -> mark#(X) -> mark#(s(X)) -> mark#(X)
     mark#(s(X)) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
     mark#(s(X)) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
     mark#(s(X)) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
     mark#(s(X)) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
     mark#(s(X)) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
     mark#(s(X)) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X1)
     a__from#(X) -> mark#(X) -> mark#(from(X)) -> mark#(X)
     a__from#(X) -> mark#(X) -> mark#(from(X)) -> a__from#(mark(X))
     a__from#(X) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X2)
     a__from#(X) -> mark#(X) -> mark#(2ndspos(X1,X2)) -> mark#(X1)
     a__from#(X) -> mark#(X) ->
     mark#(2ndspos(X1,X2)) -> a__2ndspos#(mark(X1),mark(X2))
     a__from#(X) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X2)
     a__from#(X) -> mark#(X) -> mark#(2ndsneg(X1,X2)) -> mark#(X1)
     a__from#(X) -> mark#(X) ->
     mark#(2ndsneg(X1,X2)) -> a__2ndsneg#(mark(X1),mark(X2))
     a__from#(X) -> mark#(X) -> mark#(pi(X)) -> mark#(X)
     a__from#(X) -> mark#(X) -> mark#(pi(X)) -> a__pi#(mark(X))
     a__from#(X) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X2)
     a__from#(X) -> mark#(X) -> mark#(plus(X1,X2)) -> mark#(X1)
     a__from#(X) -> mark#(X) ->
     mark#(plus(X1,X2)) -> a__plus#(mark(X1),mark(X2))
     a__from#(X) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X2)
     a__from#(X) -> mark#(X) -> mark#(times(X1,X2)) -> mark#(X1)
     a__from#(X) -> mark#(X) ->
     mark#(times(X1,X2)) -> a__times#(mark(X1),mark(X2))
     a__from#(X) -> mark#(X) -> mark#(square(X)) -> mark#(X)
     a__from#(X) -> mark#(X) -> mark#(square(X)) -> a__square#(mark(X))
     a__from#(X) -> mark#(X) -> mark#(s(X)) -> mark#(X)
     a__from#(X) -> mark#(X) -> mark#(posrecip(X)) -> mark#(X)
     a__from#(X) -> mark#(X) -> mark#(negrecip(X)) -> mark#(X)
     a__from#(X) -> mark#(X) -> mark#(cons(X1,X2)) -> mark#(X1)
     a__from#(X) -> mark#(X) -> mark#(cons2(X1,X2)) -> mark#(X2)
     a__from#(X) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X2)
     a__from#(X) -> mark#(X) -> mark#(rcons(X1,X2)) -> mark#(X1)
    Open