MAYBE 47.56/13.92 MAYBE 47.56/13.92 47.56/13.92 Problem: 47.56/13.92 a(x1) -> b(c(x1)) 47.56/13.92 b(a(b(x1))) -> a(a(a(x1))) 47.56/13.92 c(c(x1)) -> a(x1) 47.56/13.92 47.56/13.92 Proof: 47.56/13.92 Open 47.56/13.92 EOF