MAYBE 207.14/55.48 MAYBE 207.14/55.48 207.14/55.48 Problem: 207.14/55.48 0(0(0(0(x1)))) -> 0(1(1(1(x1)))) 207.14/55.48 1(0(1(1(x1)))) -> 0(1(1(0(x1)))) 207.14/55.48 207.14/55.48 Proof: 207.14/55.48 Open 207.14/55.49 EOF