YES Problem: h(f(x,y)) -> f(f(a(),h(h(y))),x) Proof: DP Processor: DPs: h#(f(x,y)) -> h#(y) h#(f(x,y)) -> h#(h(y)) TRS: h(f(x,y)) -> f(f(a(),h(h(y))),x) Bounds Processor: bound: 1 enrichment: match automaton: final states: {5,3,1} transitions: f1(9,2) -> 10* f1(10,8) -> 6* a1() -> 9* h1(2) -> 2* h{#,1}(2) -> 3,1 f40() -> 2* h{#,0}(2) -> 3,1 h{#,0}(4) -> 3* h0(2) -> 4* h0(4) -> 6* f0(8,2) -> 5* f0(8,8) -> 6* f0(7,6) -> 8* a0() -> 7* 3 -> 1* 5 -> 4* problem: DPs: TRS: h(f(x,y)) -> f(f(a(),h(h(y))),x) Qed