MAYBE 226.98/57.58 MAYBE 226.98/57.58 226.98/57.58 Problem: 226.98/57.58 a(a(b(b(x1)))) -> b(b(c(c(a(a(x1)))))) 226.98/57.58 b(b(c(c(x1)))) -> c(c(b(b(b(b(x1)))))) 226.98/57.58 a(a(c(c(x1)))) -> c(c(a(a(b(b(x1)))))) 226.98/57.58 226.98/57.58 Proof: 226.98/57.58 Open 226.98/57.59 EOF