MAYBE Problem: f(f(f(a(),f(a(),a())),a()),x) -> f(x,f(x,a())) Proof: DP Processor: DPs: f#(f(f(a(),f(a(),a())),a()),x) -> f#(x,a()) f#(f(f(a(),f(a(),a())),a()),x) -> f#(x,f(x,a())) TRS: f(f(f(a(),f(a(),a())),a()),x) -> f(x,f(x,a())) Matrix Interpretation Processor: dimension: 1 interpretation: [f#](x0, x1) = x0 + x1, [f](x0, x1) = 1, [a] = 0 orientation: f#(f(f(a(),f(a(),a())),a()),x) = x + 1 >= x = f#(x,a()) f#(f(f(a(),f(a(),a())),a()),x) = x + 1 >= x + 1 = f#(x,f(x,a())) f(f(f(a(),f(a(),a())),a()),x) = 1 >= 1 = f(x,f(x,a())) problem: DPs: f#(f(f(a(),f(a(),a())),a()),x) -> f#(x,f(x,a())) TRS: f(f(f(a(),f(a(),a())),a()),x) -> f(x,f(x,a())) Open