696.63/299.39	MAYBE
696.63/299.39	
696.63/299.39	Problem:
696.63/299.39	 strict:
696.63/299.39	  le(0(),y) -> true()
696.63/299.39	  le(s(x),0()) -> false()
696.63/299.39	  le(s(x),s(y)) -> le(x,y)
696.63/299.39	  minus(x,0()) -> x
696.63/299.39	  minus(s(x),s(y)) -> minus(x,y)
696.63/299.39	  mod(0(),y) -> 0()
696.63/299.39	  mod(s(x),0()) -> 0()
696.63/299.39	  mod(s(x),s(y)) -> if_mod(le(y,x),s(x),s(y))
696.63/299.39	  if_mod(true(),s(x),s(y)) -> mod(minus(x,y),s(y))
696.63/299.39	  if_mod(false(),s(x),s(y)) -> s(x)
696.63/299.39	 weak:
696.63/299.39	  rand(x) -> x
696.63/299.39	  rand(x) -> rand(s(x))
696.63/299.39	
696.63/299.39	Proof:
696.63/299.39	 Open
696.63/299.39	EOF