724.54/299.39 MAYBE 724.54/299.39 724.54/299.39 Problem: 724.54/299.39 strict: 724.54/299.39 a(b(c(x1))) -> b(a(c(x1))) 724.54/299.39 a(b(c(x1))) -> a(b(b(x1))) 724.54/299.39 c(b(c(x1))) -> c(a(b(x1))) 724.54/299.39 b(a(a(x1))) -> c(a(c(x1))) 724.54/299.39 c(c(a(x1))) -> b(c(b(x1))) 724.54/299.39 weak: 724.54/299.39 b(b(b(x1))) -> c(a(a(x1))) 724.54/299.39 724.54/299.39 Proof: 724.54/299.39 Open 724.54/299.39 EOF