  The second error, Scotus argues, is begging the question. Any attempt to demonstrate that there are only ten categories presupposes the very thing to be demonstrated, namely, that there are ten and only ten categories. “All these ways of dividing do not prove [the proposal], for one would have to prove that what is divided is thus divided, and precisely in this way, and this to the issue at hand, namely, that the dividends constitute these most general [categories]” (ibid., n. 75).