2.68/1.23 YES 2.68/1.23 2.68/1.23 Proof: 2.68/1.23 This system is confluent. 2.68/1.23 By \cite{SMI95}, Corollary 4.7 or 5.3. 2.68/1.23 This system is oriented. 2.68/1.23 This system is of type 3 or smaller. 2.68/1.23 This system is right-stable. 2.68/1.23 This system is properly oriented. 2.68/1.23 This is an overlay system. 2.68/1.23 This system is left-linear. 2.68/1.23 All 2 critical pairs are trivial or infeasible. 2.68/1.23 Overlap: (rule1: f(z, x') -> h(z) <= c(h(z)) = c(a), rule2: f(y', z') -> g(y') <= c(g(y')) = c(a), pos: ε, mgu: {(y',z), (z',x')}) 2.68/1.23 CP: g(z) = h(z) <= c(h(z)) = c(a), c(g(z)) = c(a) 2.68/1.23 This critical pair is infeasible. 2.68/1.23 This critical pair is conditional. 2.68/1.23 This critical pair has some non-trivial conditions. 2.68/1.23 Call external tool: 2.68/1.23 ./waldmeister 2.68/1.23 Input: 2.68/1.23 f(x, y) -> g(x) <= c(g(x)) = c(a) 2.68/1.23 f(x, y) -> h(x) <= c(h(x)) = c(a) 2.68/1.23 g(s(x)) -> x 2.68/1.23 h(s(x)) -> x 2.68/1.23 b -> b 2.68/1.23 2.68/1.23 By Waldmeister. 2.68/1.23 Overlap: (rule1: f(z, x') -> g(z) <= c(g(z)) = c(a), rule2: f(y', z') -> h(y') <= c(h(y')) = c(a), pos: ε, mgu: {(y',z), (z',x')}) 2.68/1.23 CP: h(z) = g(z) <= c(g(z)) = c(a), c(h(z)) = c(a) 2.68/1.23 This critical pair is infeasible. 2.68/1.23 This critical pair is conditional. 2.68/1.23 This critical pair has some non-trivial conditions. 2.68/1.23 Call external tool: 2.68/1.23 ./waldmeister 2.68/1.23 Input: 2.68/1.23 f(x, y) -> g(x) <= c(g(x)) = c(a) 2.68/1.23 f(x, y) -> h(x) <= c(h(x)) = c(a) 2.68/1.23 g(s(x)) -> x 2.68/1.23 h(s(x)) -> x 2.68/1.23 b -> b 2.68/1.23 2.68/1.23 By Waldmeister. 2.68/1.23 3.75/1.59 EOF