MAYBE
98.96/55.35	MAYBE
98.96/55.35	
98.96/55.35	Problem:
98.96/55.35	 a(a(x1)) -> x1
98.96/55.35	 a(b(x1)) -> c(x1)
98.96/55.35	 c(c(x1)) -> b(c(b(a(a(x1)))))
98.96/55.35	
98.96/55.35	Proof:
98.96/55.35	 Open
98.96/55.35	EOF