(VAR X N L IL M X1 X2)
(RULES 
active(zeros) -> mark(cons(0,zeros))
active(and(tt,X)) -> mark(X)
active(length(nil)) -> mark(0)
active(length(cons(N,L))) -> mark(s(length(L)))
active(take(0,IL)) -> mark(nil)
active(take(s(M),cons(N,IL))) -> mark(cons(N,take(M,IL)))
mark(zeros) -> active(zeros)
mark(cons(X1,X2)) -> active(cons(mark(X1),X2))
mark(0) -> active(0)
mark(and(X1,X2)) -> active(and(mark(X1),X2))
mark(tt) -> active(tt)
mark(length(X)) -> active(length(mark(X)))
mark(nil) -> active(nil)
mark(s(X)) -> active(s(mark(X)))
mark(take(X1,X2)) -> active(take(mark(X1),mark(X2)))
cons(mark(X1),X2) -> cons(X1,X2)
cons(X1,mark(X2)) -> cons(X1,X2)
cons(active(X1),X2) -> cons(X1,X2)
cons(X1,active(X2)) -> cons(X1,X2)
and(mark(X1),X2) -> and(X1,X2)
and(X1,mark(X2)) -> and(X1,X2)
and(active(X1),X2) -> and(X1,X2)
and(X1,active(X2)) -> and(X1,X2)
length(mark(X)) -> length(X)
length(active(X)) -> length(X)
s(mark(X)) -> s(X)
s(active(X)) -> s(X)
take(mark(X1),X2) -> take(X1,X2)
take(X1,mark(X2)) -> take(X1,X2)
take(active(X1),X2) -> take(X1,X2)
take(X1,active(X2)) -> take(X1,X2)
)
(STRATEGY INNERMOST)