viz., for that which is sufficient for all cases), and finally to exhibit it in the analytical form, as the reader finds it here. All metaphysicians are therefore solemnly and legally suspended from their occupations till they shall have answered in a satisfactory manner the question, “How are synthetic cognitions a priori possible?” For the answer contains the only credentials which they must show when they have anything to offer in the name of pure reason. But if they do not possess these credentials,