Related על קידושין 3:2

"[Be betrothed to me] with the understanding that I have 200 zuz"—she is betrothed, [for] perhaps he will have it at the end of the world. "With the understanding that I have 200 zuz in a certain place", if he has that much in that place—she is betrothed; but if not—she is not betrothed. "With the understanding that I have it [but it is] with Ploni", even though he [Ploni] said "He has nothing in my domain"—she is betrothed, lest they make a conspiratorial partnership [to defraud her of her get]. Until he says "He has something in my domain"—she is betrothed; but if not—she is not betrothed.