YES Problem: f(0()) -> cons(0()) f(s(0())) -> f(p(s(0()))) p(s(0())) -> 0() Proof: DP Processor: DPs: f#(s(0())) -> p#(s(0())) f#(s(0())) -> f#(p(s(0()))) TRS: f(0()) -> cons(0()) f(s(0())) -> f(p(s(0()))) p(s(0())) -> 0() Usable Rule Processor: DPs: f#(s(0())) -> p#(s(0())) f#(s(0())) -> f#(p(s(0()))) TRS: p(s(0())) -> 0() Arctic Interpretation Processor: dimension: 1 usable rules: p(s(0())) -> 0() interpretation: [p#](x0) = -1x0 + 2, [f#](x0) = 1x0 + -16, [p](x0) = 3, [s](x0) = 4x0 + 1, [0] = 0 orientation: f#(s(0())) = 5 >= 3 = p#(s(0())) f#(s(0())) = 5 >= 4 = f#(p(s(0()))) p(s(0())) = 3 >= 0 = 0() problem: DPs: TRS: p(s(0())) -> 0() Qed