700.12/299.38	MAYBE
700.12/299.38	
700.12/299.38	Problem:
700.12/299.38	 strict:
700.12/299.38	  minus(x,0()) -> x
700.12/299.38	  minus(s(x),s(y)) -> minus(x,y)
700.12/299.38	  double(0()) -> 0()
700.12/299.38	  double(s(x)) -> s(s(double(x)))
700.12/299.38	  plus(0(),y) -> y
700.12/299.38	  plus(s(x),y) -> s(plus(x,y))
700.12/299.38	  plus(s(x),y) -> plus(x,s(y))
700.12/299.38	  plus(s(x),y) -> s(plus(minus(x,y),double(y)))
700.12/299.38	 weak:
700.12/299.38	  rand(x) -> x
700.12/299.38	  rand(x) -> rand(s(x))
700.12/299.38	
700.12/299.38	Proof:
700.12/299.38	 Open
700.12/299.39	EOF