196.48/50.29	MAYBE
196.48/50.29	
196.48/50.29	Problem:
196.48/50.29	 a(x1) -> x1
196.48/50.29	 a(b(x1)) -> x1
196.48/50.29	 a(c(c(x1))) -> c(c(b(a(c(a(x1))))))
196.48/50.29	
196.48/50.29	Proof:
196.48/50.29	 Open
196.48/50.30	EOF