1.95/1.63 YES 1.95/1.63 1.95/1.63 Proof: 1.95/1.63 This system is confluent. 1.95/1.63 By \cite{ALS94}, Theorem 4.1. 1.95/1.63 This system is of type 3 or smaller. 1.95/1.63 This system is strongly deterministic. 1.95/1.63 This system is quasi-decreasing. 1.95/1.63 By \cite{O02}, p. 214, Proposition 7.2.50. 1.95/1.63 This system is of type 3 or smaller. 1.95/1.63 This system is deterministic. 1.95/1.63 System R transformed to U(R). 1.95/1.63 This system is terminating. 1.95/1.63 Call external tool: 3.10/1.63 ./ttt2.sh 3.10/1.63 Input: 3.10/1.63 (VAR x) 3.10/1.63 (RULES 3.10/1.63 f(x) -> x 3.10/1.63 ?1(b, x) -> a 3.10/1.63 g(x) -> ?1(x, x) 3.10/1.63 ) 3.10/1.63 3.10/1.63 Polynomial Interpretation Processor: 3.10/1.64 dimension: 1 3.10/1.64 interpretation: 3.10/1.64 [g](x0) = 4x0 + 5x0x0 + 4, 3.10/1.64 3.10/1.64 [a] = 0, 3.10/1.64 3.10/1.64 [?1](x0, x1) = -2x0 + 4x0x0 + x1x1 + 1, 3.10/1.64 3.10/1.64 [b] = 2, 3.10/1.64 3.10/1.64 [f](x0) = x0 + 4 3.10/1.64 orientation: 3.10/1.64 f(x) = x + 4 >= x = x 3.10/1.64 3.10/1.64 ?1(b(),x) = x*x + 13 >= 0 = a() 3.10/1.64 3.10/1.64 g(x) = 4x + 5x*x + 4 >= -2x + 5x*x + 1 = ?1(x,x) 3.10/1.64 problem: 3.10/1.64 3.10/1.64 Qed 3.10/1.64 All 0 critical pairs are joinable. 3.10/1.64 3.10/1.67 EOF