119.77/60.10	MAYBE
119.77/60.10	
119.77/60.10	Problem:
119.77/60.10	 max(x,0()) -> x
119.77/60.10	 max(0(),y) -> y
119.77/60.10	 max(s(x),s(y)) -> s(max(x,y))
119.77/60.10	 max(x,y) -> max(y,x)
119.77/60.10	 max(x,x) -> x
119.77/60.10	
119.77/60.10	Proof:
119.77/60.10	 Open
119.77/60.11	EOF