YES Problem: app(app(plus(),0()),y) -> y app(app(plus(),app(s(),x)),y) -> app(s(),app(app(plus(),x),y)) app(app(times(),0()),y) -> 0() app(app(times(),app(s(),x)),y) -> app(app(plus(),app(app(times(),x),y)),y) app(app(map(),f),nil()) -> nil() app(app(map(),f),app(app(cons(),x),xs)) -> app(app(cons(),app(f,x)),app(app(map(),f),xs)) inc() -> app(map(),app(plus(),app(s(),0()))) double() -> app(map(),app(times(),app(s(),app(s(),0())))) Proof: Uncurry Processor: plus2(0(),y) -> y plus2(s1(x),y) -> s1(plus2(x,y)) times2(0(),y) -> 0() times2(s1(x),y) -> plus2(times2(x,y),y) map2(f,nil()) -> nil() map2(f,cons2(x,xs)) -> cons2(app(f,x),map2(f,xs)) inc() -> map1(plus1(s1(0()))) double() -> map1(times1(s1(s1(0())))) app(plus1(x4),x5) -> plus2(x4,x5) app(plus(),x5) -> plus1(x5) app(s(),x5) -> s1(x5) app(times1(x4),x5) -> times2(x4,x5) app(times(),x5) -> times1(x5) app(map1(x4),x5) -> map2(x4,x5) app(map(),x5) -> map1(x5) app(cons1(x4),x5) -> cons2(x4,x5) app(cons(),x5) -> cons1(x5) DP Processor: DPs: plus{2,#}(s1(x),y) -> plus{2,#}(x,y) times{2,#}(s1(x),y) -> times{2,#}(x,y) times{2,#}(s1(x),y) -> plus{2,#}(times2(x,y),y) map{2,#}(f,cons2(x,xs)) -> map{2,#}(f,xs) map{2,#}(f,cons2(x,xs)) -> app#(f,x) app#(plus1(x4),x5) -> plus{2,#}(x4,x5) app#(times1(x4),x5) -> times{2,#}(x4,x5) app#(map1(x4),x5) -> map{2,#}(x4,x5) TRS: plus2(0(),y) -> y plus2(s1(x),y) -> s1(plus2(x,y)) times2(0(),y) -> 0() times2(s1(x),y) -> plus2(times2(x,y),y) map2(f,nil()) -> nil() map2(f,cons2(x,xs)) -> cons2(app(f,x),map2(f,xs)) inc() -> map1(plus1(s1(0()))) double() -> map1(times1(s1(s1(0())))) app(plus1(x4),x5) -> plus2(x4,x5) app(plus(),x5) -> plus1(x5) app(s(),x5) -> s1(x5) app(times1(x4),x5) -> times2(x4,x5) app(times(),x5) -> times1(x5) app(map1(x4),x5) -> map2(x4,x5) app(map(),x5) -> map1(x5) app(cons1(x4),x5) -> cons2(x4,x5) app(cons(),x5) -> cons1(x5) TDG Processor: DPs: plus{2,#}(s1(x),y) -> plus{2,#}(x,y) times{2,#}(s1(x),y) -> times{2,#}(x,y) times{2,#}(s1(x),y) -> plus{2,#}(times2(x,y),y) map{2,#}(f,cons2(x,xs)) -> map{2,#}(f,xs) map{2,#}(f,cons2(x,xs)) -> app#(f,x) app#(plus1(x4),x5) -> plus{2,#}(x4,x5) app#(times1(x4),x5) -> times{2,#}(x4,x5) app#(map1(x4),x5) -> map{2,#}(x4,x5) TRS: plus2(0(),y) -> y plus2(s1(x),y) -> s1(plus2(x,y)) times2(0(),y) -> 0() times2(s1(x),y) -> plus2(times2(x,y),y) map2(f,nil()) -> nil() map2(f,cons2(x,xs)) -> cons2(app(f,x),map2(f,xs)) inc() -> map1(plus1(s1(0()))) double() -> map1(times1(s1(s1(0())))) app(plus1(x4),x5) -> plus2(x4,x5) app(plus(),x5) -> plus1(x5) app(s(),x5) -> s1(x5) app(times1(x4),x5) -> times2(x4,x5) app(times(),x5) -> times1(x5) app(map1(x4),x5) -> map2(x4,x5) app(map(),x5) -> map1(x5) app(cons1(x4),x5) -> cons2(x4,x5) app(cons(),x5) -> cons1(x5) graph: app#(map1(x4),x5) -> map{2,#}(x4,x5) -> map{2,#}(f,cons2(x,xs)) -> app#(f,x) app#(map1(x4),x5) -> map{2,#}(x4,x5) -> map{2,#}(f,cons2(x,xs)) -> map{2,#}(f,xs) app#(times1(x4),x5) -> times{2,#}(x4,x5) -> times{2,#}(s1(x),y) -> plus{2,#}(times2(x,y),y) app#(times1(x4),x5) -> times{2,#}(x4,x5) -> times{2,#}(s1(x),y) -> times{2,#}(x,y) app#(plus1(x4),x5) -> plus{2,#}(x4,x5) -> plus{2,#}(s1(x),y) -> plus{2,#}(x,y) map{2,#}(f,cons2(x,xs)) -> app#(f,x) -> app#(map1(x4),x5) -> map{2,#}(x4,x5) map{2,#}(f,cons2(x,xs)) -> app#(f,x) -> app#(times1(x4),x5) -> times{2,#}(x4,x5) map{2,#}(f,cons2(x,xs)) -> app#(f,x) -> app#(plus1(x4),x5) -> plus{2,#}(x4,x5) map{2,#}(f,cons2(x,xs)) -> map{2,#}(f,xs) -> map{2,#}(f,cons2(x,xs)) -> app#(f,x) map{2,#}(f,cons2(x,xs)) -> map{2,#}(f,xs) -> map{2,#}(f,cons2(x,xs)) -> map{2,#}(f,xs) times{2,#}(s1(x),y) -> times{2,#}(x,y) -> times{2,#}(s1(x),y) -> plus{2,#}(times2(x,y),y) times{2,#}(s1(x),y) -> times{2,#}(x,y) -> times{2,#}(s1(x),y) -> times{2,#}(x,y) times{2,#}(s1(x),y) -> plus{2,#}(times2(x,y),y) -> plus{2,#}(s1(x),y) -> plus{2,#}(x,y) plus{2,#}(s1(x),y) -> plus{2,#}(x,y) -> plus{2,#}(s1(x),y) -> plus{2,#}(x,y) SCC Processor: #sccs: 3 #rules: 5 #arcs: 14/64 DPs: app#(map1(x4),x5) -> map{2,#}(x4,x5) map{2,#}(f,cons2(x,xs)) -> map{2,#}(f,xs) map{2,#}(f,cons2(x,xs)) -> app#(f,x) TRS: plus2(0(),y) -> y plus2(s1(x),y) -> s1(plus2(x,y)) times2(0(),y) -> 0() times2(s1(x),y) -> plus2(times2(x,y),y) map2(f,nil()) -> nil() map2(f,cons2(x,xs)) -> cons2(app(f,x),map2(f,xs)) inc() -> map1(plus1(s1(0()))) double() -> map1(times1(s1(s1(0())))) app(plus1(x4),x5) -> plus2(x4,x5) app(plus(),x5) -> plus1(x5) app(s(),x5) -> s1(x5) app(times1(x4),x5) -> times2(x4,x5) app(times(),x5) -> times1(x5) app(map1(x4),x5) -> map2(x4,x5) app(map(),x5) -> map1(x5) app(cons1(x4),x5) -> cons2(x4,x5) app(cons(),x5) -> cons1(x5) Subterm Criterion Processor: simple projection: pi(map{2,#}) = 1 pi(app#) = 1 problem: DPs: app#(map1(x4),x5) -> map{2,#}(x4,x5) TRS: plus2(0(),y) -> y plus2(s1(x),y) -> s1(plus2(x,y)) times2(0(),y) -> 0() times2(s1(x),y) -> plus2(times2(x,y),y) map2(f,nil()) -> nil() map2(f,cons2(x,xs)) -> cons2(app(f,x),map2(f,xs)) inc() -> map1(plus1(s1(0()))) double() -> map1(times1(s1(s1(0())))) app(plus1(x4),x5) -> plus2(x4,x5) app(plus(),x5) -> plus1(x5) app(s(),x5) -> s1(x5) app(times1(x4),x5) -> times2(x4,x5) app(times(),x5) -> times1(x5) app(map1(x4),x5) -> map2(x4,x5) app(map(),x5) -> map1(x5) app(cons1(x4),x5) -> cons2(x4,x5) app(cons(),x5) -> cons1(x5) SCC Processor: #sccs: 0 #rules: 0 #arcs: 5/1 DPs: times{2,#}(s1(x),y) -> times{2,#}(x,y) TRS: plus2(0(),y) -> y plus2(s1(x),y) -> s1(plus2(x,y)) times2(0(),y) -> 0() times2(s1(x),y) -> plus2(times2(x,y),y) map2(f,nil()) -> nil() map2(f,cons2(x,xs)) -> cons2(app(f,x),map2(f,xs)) inc() -> map1(plus1(s1(0()))) double() -> map1(times1(s1(s1(0())))) app(plus1(x4),x5) -> plus2(x4,x5) app(plus(),x5) -> plus1(x5) app(s(),x5) -> s1(x5) app(times1(x4),x5) -> times2(x4,x5) app(times(),x5) -> times1(x5) app(map1(x4),x5) -> map2(x4,x5) app(map(),x5) -> map1(x5) app(cons1(x4),x5) -> cons2(x4,x5) app(cons(),x5) -> cons1(x5) Subterm Criterion Processor: simple projection: pi(times{2,#}) = 0 problem: DPs: TRS: plus2(0(),y) -> y plus2(s1(x),y) -> s1(plus2(x,y)) times2(0(),y) -> 0() times2(s1(x),y) -> plus2(times2(x,y),y) map2(f,nil()) -> nil() map2(f,cons2(x,xs)) -> cons2(app(f,x),map2(f,xs)) inc() -> map1(plus1(s1(0()))) double() -> map1(times1(s1(s1(0())))) app(plus1(x4),x5) -> plus2(x4,x5) app(plus(),x5) -> plus1(x5) app(s(),x5) -> s1(x5) app(times1(x4),x5) -> times2(x4,x5) app(times(),x5) -> times1(x5) app(map1(x4),x5) -> map2(x4,x5) app(map(),x5) -> map1(x5) app(cons1(x4),x5) -> cons2(x4,x5) app(cons(),x5) -> cons1(x5) Qed DPs: plus{2,#}(s1(x),y) -> plus{2,#}(x,y) TRS: plus2(0(),y) -> y plus2(s1(x),y) -> s1(plus2(x,y)) times2(0(),y) -> 0() times2(s1(x),y) -> plus2(times2(x,y),y) map2(f,nil()) -> nil() map2(f,cons2(x,xs)) -> cons2(app(f,x),map2(f,xs)) inc() -> map1(plus1(s1(0()))) double() -> map1(times1(s1(s1(0())))) app(plus1(x4),x5) -> plus2(x4,x5) app(plus(),x5) -> plus1(x5) app(s(),x5) -> s1(x5) app(times1(x4),x5) -> times2(x4,x5) app(times(),x5) -> times1(x5) app(map1(x4),x5) -> map2(x4,x5) app(map(),x5) -> map1(x5) app(cons1(x4),x5) -> cons2(x4,x5) app(cons(),x5) -> cons1(x5) Subterm Criterion Processor: simple projection: pi(plus{2,#}) = 0 problem: DPs: TRS: plus2(0(),y) -> y plus2(s1(x),y) -> s1(plus2(x,y)) times2(0(),y) -> 0() times2(s1(x),y) -> plus2(times2(x,y),y) map2(f,nil()) -> nil() map2(f,cons2(x,xs)) -> cons2(app(f,x),map2(f,xs)) inc() -> map1(plus1(s1(0()))) double() -> map1(times1(s1(s1(0())))) app(plus1(x4),x5) -> plus2(x4,x5) app(plus(),x5) -> plus1(x5) app(s(),x5) -> s1(x5) app(times1(x4),x5) -> times2(x4,x5) app(times(),x5) -> times1(x5) app(map1(x4),x5) -> map2(x4,x5) app(map(),x5) -> map1(x5) app(cons1(x4),x5) -> cons2(x4,x5) app(cons(),x5) -> cons1(x5) Qed