MAYBE
37.01/10.35	MAYBE
37.01/10.35	
37.01/10.35	Problem:
37.01/10.35	 a(x1) -> x1
37.01/10.35	 a(b(x1)) -> b(a(c(x1)))
37.01/10.35	 b(x1) -> x1
37.01/10.35	 c(c(x1)) -> c(b(a(x1)))
37.01/10.35	
37.01/10.35	Proof:
37.01/10.35	 Open
37.01/10.35	EOF