... aparticular from a universal, or, in Conversion, the assertion in the new proposition is the same as the whole orpart of the assertion in the original proposition, the inference is only apparent; ... statements of the particular facts, which, as occasion arises, we either think we may proceedon as proved, or intend to assume.In short, all inference is from particulars to particulars; and ... necessarily from certain hypotheses, for which same reason theancients styled the conclusions of all deductive sciences necessary. That the hypotheses, which form part ofthe premisses of geometry,...