691.37/299.38	MAYBE
691.37/299.38	
691.37/299.38	Problem:
691.37/299.38	 strict:
691.37/299.38	  times(x,0()) -> 0()
691.37/299.38	  times(x,s(y)) -> plus(times(x,y),x)
691.37/299.38	  plus(x,0()) -> x
691.37/299.38	  plus(0(),x) -> x
691.37/299.38	  plus(x,s(y)) -> s(plus(x,y))
691.37/299.38	  plus(s(x),y) -> s(plus(x,y))
691.37/299.38	 weak:
691.37/299.38	  rand(x) -> x
691.37/299.38	  rand(x) -> rand(s(x))
691.37/299.38	
691.37/299.38	Proof:
691.37/299.38	 Open
691.37/299.38	EOF