MAYBE 147.04/55.35 MAYBE 147.04/55.35 147.04/55.35 Problem: 147.04/55.35 a(x1) -> b(x1) 147.04/55.35 b(b(b(c(x1)))) -> c(c(a(b(a(a(x1)))))) 147.04/55.35 147.04/55.35 Proof: 147.04/55.35 Open 147.04/55.35 EOF