MAYBE
64.14/23.08	MAYBE
64.14/23.08	
64.14/23.08	Problem:
64.14/23.08	 a(b(c(x1))) -> c(c(c(b(b(b(a(a(a(x1)))))))))
64.14/23.08	 c(b(x1)) -> a(a(a(x1)))
64.14/23.08	 a(x1) -> x1
64.14/23.08	 b(x1) -> x1
64.14/23.08	 c(x1) -> x1
64.14/23.08	
64.14/23.08	Proof:
64.14/23.08	 Open
64.14/23.09	EOF