MAYBE
129.13/55.27	MAYBE
129.13/55.27	
129.13/55.27	Problem:
129.13/55.27	 f(f(a(),x),y) -> f(a(),f(f(x,h(y)),a()))
129.13/55.27	
129.13/55.27	Proof:
129.13/55.27	 Open
129.13/55.27	EOF