... of a cate- gory of appearance to things-in-themselves – it was the ambiguity in the way one spoke of the “ground” of appearances in things-in-themselves. “Ground” (Grund, in the German) could ... negated by all the others, and which they cannot therefore intuit as their own action, but only as other than theirs, that is, as the action of an intelligence outside of them.” System of Transcendental ... ...For Kant, on the other hand, since there is no such antecedently well-defined notion of true motion, the laws of motions are not facts but rather conditions under which alone the notion of true...