0.00/0.97 YES 0.00/0.97 0.00/0.97 Problem: 0.00/0.97 pin(a()) -> pout(b()) 0.00/0.97 pin(b()) -> pout(c()) 0.00/0.97 tc(x) -> x 0.00/0.97 tc(x) -> y <= pin(x) = pout(z()), tc(z()) = y 0.00/0.98 0.00/0.98 Proof: 0.00/0.98 This system is confluent. 0.00/0.98 By \cite{SMI95}, Corollary 4.7 or 5.3. 0.00/0.98 This system is oriented. 0.00/0.98 This system is of type 3 or smaller. 0.00/0.98 This system is right-stable. 0.00/0.98 This system is properly oriented. 0.00/0.98 This is an overlay system. 0.00/0.98 This system is left-linear. 0.00/0.98 All 2 critical pairs are trivial or infeasible. 0.00/0.98 CP: x = y <= pin(x) = pout(z()), tc(z()) = y: 0.00/0.98 This critical pair is infeasible. 0.00/0.98 This critical pair is conditional. 0.00/0.98 This critical pair has some non-trivial conditions. 0.00/0.98 usable rules 0.00/0.98 pin(a()) -> pout(b()) 0.00/0.98 pin(b()) -> pout(c()) 0.00/0.98 '\Sigma(pin(x)) \cap (->^*_R)[\Sigma(REN(pout(z())))]' is empty. 0.00/0.98 CP: x = z <= pin(z) = pout(z()), tc(z()) = x: 0.00/0.98 This critical pair is infeasible. 0.00/0.98 This critical pair is conditional. 0.00/0.98 This critical pair has some non-trivial conditions. 0.00/0.98 usable rules 0.00/0.98 pin(a()) -> pout(b()) 0.00/0.98 pin(b()) -> pout(c()) 0.00/0.98 '\Sigma(pin(z)) \cap (->^*_R)[\Sigma(REN(pout(z())))]' is empty. 0.00/0.98 3.32/1.46 EOF