3.28/1.70 YES 3.28/1.70 3.28/1.70 Proof: 3.28/1.70 This system is confluent. 3.28/1.70 By \cite{ALS94}, Theorem 4.1. 3.28/1.70 This system is of type 3 or smaller. 3.28/1.70 This system is strongly deterministic. 3.28/1.70 This system is quasi-decreasing. 3.28/1.70 By \cite{O02}, p. 214, Proposition 7.2.50. 3.28/1.70 This system is of type 3 or smaller. 3.28/1.70 This system is deterministic. 3.28/1.70 System R transformed to optimized U(R). 3.28/1.70 This system is terminating. 3.28/1.70 Call external tool: 3.28/1.70 ./ttt2.sh 3.28/1.70 Input: 3.28/1.70 (VAR x) 3.28/1.70 (RULES 3.28/1.70 a -> b 3.28/1.70 f(x) -> ?1(x, x) 3.28/1.70 ?1(b, x) -> A 3.28/1.70 g(x, x) -> h(x) 3.28/1.70 h(x) -> i(x) 3.28/1.70 ) 3.28/1.70 3.28/1.70 Polynomial Interpretation Processor: 3.28/1.70 dimension: 1 3.28/1.70 interpretation: 3.28/1.70 [i](x0) = -3x0 + 4x0x0, 3.28/1.70 3.28/1.70 [h](x0) = 4x0x0 + 1, 3.28/1.70 3.28/1.70 [g](x0, x1) = 4x0 + 5x1x1 + 4, 3.28/1.70 3.28/1.70 [A] = 0, 3.28/1.70 3.28/1.70 [?1](x0, x1) = -1x0 + 2x0x0 + x1x1 + 4, 3.28/1.70 3.28/1.70 [f](x0) = 3x0x0 + 5, 3.28/1.70 3.28/1.70 [b] = 0, 3.28/1.70 3.28/1.70 [a] = 1 3.28/1.70 orientation: 3.28/1.70 a() = 1 >= 0 = b() 3.28/1.70 3.28/1.70 f(x) = 3x*x + 5 >= -1x + 3x*x + 4 = ?1(x,x) 3.28/1.70 3.28/1.70 ?1(b(),x) = x*x + 4 >= 0 = A() 3.28/1.70 3.28/1.70 g(x,x) = 4x + 5x*x + 4 >= 4x*x + 1 = h(x) 3.28/1.70 3.28/1.70 h(x) = 4x*x + 1 >= -3x + 4x*x = i(x) 3.28/1.70 problem: 3.28/1.70 3.28/1.70 Qed 3.28/1.70 All 0 critical pairs are joinable. 3.28/1.70 3.28/1.73 EOF