197.25/50.37 MAYBE 197.25/50.37 197.25/50.37 Problem: 197.25/50.37 0(0(0(0(x1)))) -> 0(1(1(1(x1)))) 197.25/50.37 1(1(0(1(x1)))) -> 0(1(1(0(x1)))) 197.25/50.37 197.25/50.37 Proof: 197.25/50.37 Open 197.25/50.37 EOF