MAYBE
31.61/10.29	MAYBE
31.61/10.29	
31.61/10.29	Problem:
31.61/10.29	 a(x1) -> x1
31.61/10.29	 a(b(x1)) -> x1
31.61/10.29	 a(b(x1)) -> b(c(a(a(x1))))
31.61/10.29	 c(c(x1)) -> b(x1)
31.61/10.29	
31.61/10.29	Proof:
31.61/10.29	 Open
31.61/10.29	EOF