193.59/49.54 MAYBE 193.59/49.54 193.59/49.54 Problem: 193.59/49.54 b(a(a(b(b(x1))))) -> b(a(a(a(a(b(b(x1))))))) 193.59/49.54 b(a(b(b(x1)))) -> b(b(x1)) 193.59/49.54 b(a(b(a(a(a(a(b(x1)))))))) -> b(a(a(a(a(b(a(a(a(a(b(a(b(a(a(a(b(a(a(a(a(b(x1)))))))))))))))))))))) 193.59/49.54 b(a(a(b(a(a(a(a(b(x1))))))))) -> b(a(b(a(a(b(a(a(a(b(a(a(a(a(b(x1))))))))))))))) 193.59/49.54 b(a(a(a(b(a(a(a(a(b(x1)))))))))) -> b(x1) 193.59/49.54 193.59/49.54 Proof: 193.59/49.54 Open 193.59/49.55 EOF