2.75/1.18 YES 2.75/1.18 2.75/1.18 Proof: 2.75/1.18 This system is confluent. 2.75/1.18 By \cite{SMI95}, Corollary 4.7 or 5.3. 2.75/1.18 This system is oriented. 2.75/1.18 This system is of type 3 or smaller. 2.75/1.18 This system is right-stable. 2.75/1.18 This system is properly oriented. 2.75/1.18 This is an overlay system. 2.75/1.18 This system is left-linear. 2.75/1.18 All 2 critical pairs are trivial or infeasible. 2.75/1.18 Overlap: (rule1: g(y, a) -> d <= f(y, b) = b, rule2: g(a, z) -> c <= f(z, a) = a, pos: ε, mgu: {(y,a), (z,a)}) 2.75/1.18 CP: c = d <= f(a, b) = b, f(a, a) = a 2.75/1.18 This critical pair is infeasible. 2.75/1.18 This critical pair is conditional. 2.75/1.18 This critical pair has some non-trivial conditions. 2.75/1.18 Call external tool: 2.75/1.18 ./waldmeister 2.75/1.18 Input: 2.75/1.18 f(a, x) -> a 2.75/1.18 f(b, x) -> b 2.75/1.18 g(a, x) -> c <= f(x, a) = a 2.75/1.18 g(x, a) -> d <= f(x, b) = b 2.75/1.18 c -> c 2.75/1.18 2.75/1.18 By Waldmeister. 2.75/1.18 Overlap: (rule1: g(a, y) -> c <= f(y, a) = a, rule2: g(z, a) -> d <= f(z, b) = b, pos: ε, mgu: {(z,a), (y,a)}) 2.75/1.18 CP: d = c <= f(a, a) = a, f(a, b) = b 2.75/1.18 This critical pair is infeasible. 2.75/1.18 This critical pair is conditional. 2.75/1.18 This critical pair has some non-trivial conditions. 2.75/1.18 Call external tool: 2.75/1.18 ./waldmeister 2.75/1.19 Input: 2.75/1.19 f(a, x) -> a 2.75/1.19 f(b, x) -> b 2.75/1.19 g(a, x) -> c <= f(x, a) = a 2.75/1.19 g(x, a) -> d <= f(x, b) = b 2.75/1.19 c -> c 2.75/1.19 2.75/1.19 By Waldmeister. 2.75/1.19 2.92/1.43 EOF