MAYBE
22.62/10.18	MAYBE
22.62/10.18	
22.62/10.18	Problem:
22.62/10.18	 f(x,f(a(),y)) -> f(a(),f(f(f(a(),x),h(a())),y))
22.62/10.18	
22.62/10.18	Proof:
22.62/10.18	 Open
22.62/10.19	EOF