700.49/299.39	MAYBE
700.49/299.39	
700.49/299.39	Problem:
700.49/299.39	 strict:
700.49/299.39	  +(0(),y) -> y
700.49/299.39	  +(s(x),y) -> s(+(x,y))
700.49/299.39	  sum1(nil()) -> 0()
700.49/299.39	  sum1(cons(x,y)) -> +(x,sum1(y))
700.49/299.39	  sum2(nil(),z) -> z
700.49/299.39	  sum2(cons(x,y),z) -> sum2(y,+(x,z))
700.49/299.39	  tests(0()) -> true()
700.49/299.39	  tests(s(x)) -> and(test(rands(rand(0()),nil())),x)
700.49/299.39	  test(done(y)) -> eq(f(y),g(y))
700.49/299.39	  eq(x,x) -> true()
700.49/299.39	  rands(0(),y) -> done(y)
700.49/299.39	  rands(s(x),y) -> rands(x,::(rand(0()),y))
700.49/299.39	 weak:
700.49/299.39	  rand(x) -> x
700.49/299.39	  rand(x) -> rand(s(x))
700.49/299.39	
700.49/299.39	Proof:
700.49/299.39	 Open
700.49/299.39	EOF