724.80/299.38 MAYBE 724.80/299.38 724.80/299.38 Problem: 724.80/299.38 strict: 724.80/299.38 a(a(b(x1))) -> c(c(a(x1))) 724.80/299.38 c(b(c(x1))) -> c(b(b(x1))) 724.80/299.38 a(b(b(x1))) -> b(c(c(x1))) 724.80/299.38 c(a(b(x1))) -> a(b(a(x1))) 724.80/299.38 b(b(b(x1))) -> a(b(c(x1))) 724.80/299.38 b(a(a(x1))) -> a(b(a(x1))) 724.80/299.38 weak: 724.80/299.38 c(b(b(x1))) -> c(a(b(x1))) 724.80/299.38 724.80/299.38 Proof: 724.80/299.38 Open 724.83/299.39 EOF