Still, the Leibnizian view had its metaphysical elements. He held that bodies have real properties, their place relative to other bodies, and it is this reality which is converted into the fiction of space. Suppose two bodies switch positions with each other. Each is in a different place relative to the other, but it seems natural to say that one is in the same space as the other. Thus space is what we believe to stay the same when positions change. But there is in reality nothing that remains identical through change of position. In his early work, Kant rejected the view that all the "spatial" properties of a thing are based on its place alone. Two objects may be identical with respect to relations of place, yet have different spatial properties. The example mentioned in the last class, a right hand and a left hand, illustrate this difference. If God were to create a single hand and nothing else, that hand would have to fit equally well on either side of the human body, which is impossible. ("Concerning the Ultimate
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