2.72/1.26 YES 2.72/1.26 2.72/1.26 Proof: 2.72/1.26 This system is confluent. 2.72/1.26 By \cite{ALS94}, Theorem 4.1. 2.72/1.26 This system is of type 3 or smaller. 2.72/1.26 This system is strongly deterministic. 2.72/1.26 This system is quasi-decreasing. 2.72/1.26 By \cite{A14}, Theorem 11.5.9. 2.72/1.26 This system is of type 3 or smaller. 2.72/1.26 This system is deterministic. 2.72/1.26 System R transformed to V(R) + Emb. 2.72/1.26 This system is terminating. 2.72/1.26 Call external tool: 2.72/1.26 ./ttt2.sh 2.72/1.26 Input: 2.72/1.26 f(x, y) -> x 2.72/1.26 f(x, y) -> g(y) 2.72/1.26 f(x, y) -> g(x) 2.72/1.26 g(x) -> c 2.72/1.26 g(x) -> d 2.72/1.26 g(x) -> x 2.72/1.26 f(x, y) -> x 2.72/1.26 f(x, y) -> y 2.72/1.26 2.72/1.26 Polynomial Interpretation Processor: 2.72/1.26 dimension: 1 2.72/1.26 interpretation: 2.72/1.26 [d] = 0, 2.72/1.26 2.72/1.26 [c] = 0, 2.72/1.26 2.72/1.26 [g](x0) = x0 + 1, 2.72/1.26 2.72/1.26 [f](x0, x1) = x0 + 4x1 + 2 2.72/1.26 orientation: 2.72/1.26 f(x,y) = x + 4y + 2 >= x = x 2.72/1.26 2.72/1.26 f(x,y) = x + 4y + 2 >= y + 1 = g(y) 2.72/1.26 2.72/1.26 f(x,y) = x + 4y + 2 >= x + 1 = g(x) 2.72/1.26 2.72/1.26 g(x) = x + 1 >= 0 = c() 2.72/1.26 2.72/1.26 g(x) = x + 1 >= 0 = d() 2.72/1.26 2.72/1.26 g(x) = x + 1 >= x = x 2.72/1.26 2.72/1.26 f(x,y) = x + 4y + 2 >= y = y 2.72/1.26 problem: 2.72/1.26 2.72/1.26 Qed 2.72/1.26 All 0 critical pairs are joinable. 2.72/1.26 3.03/1.32 EOF