MAYBE Problem: f(x,f(y,a())) -> f(f(f(f(a(),a()),y),h(a())),x) Proof: DP Processor: DPs: f#(x,f(y,a())) -> f#(a(),a()) f#(x,f(y,a())) -> f#(f(a(),a()),y) f#(x,f(y,a())) -> f#(f(f(a(),a()),y),h(a())) f#(x,f(y,a())) -> f#(f(f(f(a(),a()),y),h(a())),x) TRS: f(x,f(y,a())) -> f(f(f(f(a(),a()),y),h(a())),x) Open