Prolegomena to Any Future Metaphysics: and the Letter to Marcus Herz, February 1772 (Hackett Classics)
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This edition of Prolegomena includes Kant’s letter of February, 1772 to Marcus Herz, a momentous document in which Kant relates the progress of his thinking and announces that he is now ready to present a critique of pure reason.
be cognized as to their nature, would oblige us to have recourse to concepts whose meaning could never be given in concreto (by any example of possible experience). Consequently, we would have to form for ourselves a list of concepts of their nature, the reality whereof [i.e., whether they actually referred to objects or were mere creations of thought) could never be determined. The cognition of what cannot be an object of experience would be hyperphysical, and with things hyperphysical we are
than ontologically on the nature of things, either as a relation among monads (Leibniz) or as things (Newtonian absolute space and absolute time). Kant’s epistemological view of space and time provided him with a way of reconciling the opposed views of Leibniz and Newton. Space and time are indeed the relational orders of contemporaneous objects and successive states, inasmuch as space and time are the conditions of intuitive representations of objects rather than being mere relations of
laws of nature can and must be cognized a priori (that is, independent of all experience) and be the foundation of all empirical use of the understanding; the latter alternative therefore alone remains.24 But we must distinguish the empirical laws of nature, which always presuppose particular perceptions, from the pure or universal laws of nature, which, without being based on particular perceptions, contain merely the conditions of their necessary uniﬁcation in experience. With regard to the
posteriori), xii, 320; inhere in the understanding rather than lie in space, 320–322 INDEX Leibniz, G. W., x, xi, 257 Life (Leben), 335 Limitation (Einschra¨ nkung), category of, 303 Limits, see Bounds Locke, John, xii, 257, 270, 289 Logic (Logik), formal, 302n, 306, 325n, transcendental, 318; analytic in contrast to dialectic, 276n Logical (logisch) system, 306; table of judgments, 302; functions of thought, 324, 330; connection, 304; usage, 302n; being of a thing, 294 Logicians (Logiker), 323
(Zweck), highest, of reason, 350 Quality (Qualita¨ t) of judgments, 302; of categories, 303; quantity of 309n; primary and secondary qualities of bodies, 289 Quantity (Gro¨ ße), concept of as belonging to the understanding, 301, 303, 306, 343; extensive and intensive, 306–307, 309 Quantity (Quantita¨ t) of judgments, 301–302; of categories, 303 Question (Frage) of metaphysics, 271, 274, 275–280 Reality (Realita¨ t), category of, 303; of experience, 295–296; of sensation, 306; totality of, 330n;