IMMANUEL KANT’S PROLEGOMENA TO ANY FUTURE METAPHYSICS in focus How is knowledge possible? What kind of knowledge can be called metaphysical? What is the source of metaphysical knowledge? Such are the questions addressed by Kant in his famous Prolegomena to Any Future Metaphysics. His ultimate argument, that there is no such thing as metaphysics, continues to fascinate and challenge con temporary philosophers. This collection of seminal essays on the Prolegomena provides the student of philosophy with an invaluable overview of some issues and problems raised by Kant. The edition offers a substantive new introduction, the Carus translation of Kant s work, six papers never before published together and an extensive bibliography. Special attention is paid to the relationship between Kant and David Hume, whose philosophical investigations, according to Kant s famous quote, first interrupted Kants “dogmatic slumber.” Beryl Logan is an Assistant Professor at Scarborough College, Uni versity of Toronto. She has published widely on David Hume and the philosophers of the early modern period. ROUTLEDGE PHILOSOPHERS IN FOCUS SERIES Series editor: Stanley Tweyman York University; Toronto ARISTOTLE’S DE ANIMA IN FOCUS Edited by Michael Durrant GEORGE BERKELEY: ALCIPHRON IN FOCUS Edited by David Berman CIVIL DISOBEDIENCE IN FOCUS Edited by Hugo Adam Bedau RENE DESCARTES: MEDITATIONS ON FIRST PHILOSOPHY IN FOCUS Edited by Stanley Tweyman GODEL’S THEOREM IN FOCUS Edited by S. G. Shanker DAVID HUME: DIALOGUES CONCERNING NATURAL RELIGION IN FOCUS Edited by Stanley Tweyman WILLIAM JAMES: PRAGMATISM IN FOCUS Edited by Doris Olin JOHN LOCKE: LETTER CONCERNING TOLERATION IN FOCUS Edited by John Horton and Susan Mendus J. S. MILL: ON LIBERTY IN FOCUS Edited by John Gray and G. W. Smith PLATO’S MENO IN FOCUS Edited by Jane M. Day IMMANUEL KANT’S PROLEGOMENA TO ANY FUTURE METAPHYSICS in focus Edited by Beryl Logan O Routledge Taylor & Francis Group LONDON AND NEW YORK First published 1996 by Roudedge Published 2015 by Routledge 2 Park Square, Milton Park, Abingdon, Oxon OX14 4RN Simultaneously published in the USA and Canada by Roudedge 711 Third Avenue, New York, NY 100l7 USA Routledge is an imprint of the Taylor & Francis Group, an informa business selection and editorial matter © 1996 Beryl Logan individual chapters © 1996 the contributors Typeset in Bembo by Intype London Ltd All rights reserved. No part of this book may be reprinted or reproduced or utilized in any form or by any electronic, mechanical, or other means, now known or hereafter invented, including photocopying and recording, or in any information storage or retrieval system, without permission in writing from the publishers. British Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library Library of Congress Cataloguing in Publication Data Immanuel Kant's Prolegomena to any future metaphysics: in focus / edited by Beryl Logan. p. cm. - (Roudedge philosophers in focus series) Includes bibliographical references (p. ) and index. 1. Kant, Immanuel, 1724-1804. Prolegomena. 2. Knowledge, Theory of. 3. Metaphysics. I. Logan, Beryl, 1944- . II. Kant, Immanuel, 1724-1804. Prolegomena. English. III. Series. B2787.Z7I48 1996 110-dc20 96-11897 ISBN 978-0-415-11575-9 (hbk) ISBN 978-0-415-11576-6 (pbk) ISBN 978-0-203-69710-8 (eISBN) CONTENTS Acknowledgements vi INTRODUCTION 1 Beryl Logan PROLEGOMENA TO ANY FUTURE METAPHYSICS 27 Immanuel Kant A PRUSSIAN HUME AND A SCOTTISH KANT 139 Lewis White Beck KANT’S CONCEPTION OF “HUME’S PROBLEM” 156 Manfred Kuehn CHANGING THE NAME OF THE GAME 178 Kant’s cognitivism versus Hume’s psychologism Patricia Kitcher A NOTE ON THE SYNTHETICITY OF 219 MATHEMATICAL PROPOSITIONS IN KANT’S PROLEGOMENA Daniel E. Anderson WAHRNEHMUNGSURTEILE AND 226 ERFAHRUNGSURTEILE RECONSIDERED Theodore E. Uehling Jr. KANT, ANALOGY, AND NATURAL THEOLOGY 241 Jerry H. Gill Selected bibliography 254 Index 262 ACKNOWLEDGEMENTS I am grateful to Open Court Publishing Co., La Salle, Illinois, for granting permission to use the text of the Prolegomena to Any Future Metaphysics, translated by Dr. Paul Carus. Permission to reprint was kindly granted by authors and publishers of the six reprinted papers: Lewis White Beck, “A Prussian Hume and a Scottish Kant,” appeared in Essays on Kant and Hume, Yale University Press (1989); Manfred Kuehn, “Kants Conception of Humes Problem” in the Journal of the History of Philosophy; (21, 2, 1983); Patricia Kitcher, “Changing the Name of the Game: Kant’s Cognitivism vs Hume’s Psychologism” in Philosophical Topics (19, 1991); Theodore E. Ueh- ling Jr., “Wahrnehmungsurteile And Erfahrungsurteile Recon sidered,” in Kant Studies (1978); Daniel E. Anderson, “A Note on the Syntheticity of Mathematical Propositions in Kant’s Prolegomena,” in the Southern Journal of Philosophy (17, 1979); Jerry H. Gill, “Kant, Analogy and Natural Theology” in the International Journal for Philo sophy of Religion (16, 1984), reprinted by permission of Kluwer Academic Publishers. A debt of gratitude is owed to the general editor of the Philo sophers In Focus series, Stanley Tweyman, for his ongoing support and encouragement, and for smoothing out the bumps in the road. My efforts in this book were made possible by the dedication and cooperation of my husband, Shelly, and our children. INTRODUCTION In Preface (II) of the Prolegomena Kant states that “the suggestion of David Hume was the very thing, which, many years ago, first interrupted my dogmatic slumber and gave my investigations in the field of speculative philosophy quite a new direction” (p. 33). In the Critique of Pure Reason (CPR A769/B797) Kant refers to the “uncritical dogmatist” as one “who has not surveyed the sphere of his understanding, and therefore has not determined, in accordance with principles, the limits of his possible knowledge.” The con clusions that Hume drew in his attack on “a single but important concept in metaphysics, viz., that of Cause and Effect” (p. 31) prompted Kant to undertake this survey in the Prolegomena Concerning any Future Metaphysics in order to determine the possibility and limits of metaphysical knowledge. As a result of the importance that Kant places on Hume’s argu ments, I intend to adopt as my particular viewpoint in this Introduc tion what Kant perceives as problems in Hume’s philosophy and his answers to those problems. Generally, this consists in responding to Humean skepticism by offering conditions under which objective validity is possible. Where appropriate, I will make reference to Hume’s doctrines in order for the reader to be more familiar with some of the arguments to which Kant was responding in the Prolego mena. This will allow the reader not only to grasp the force and intent of Kant’s own positions, but also to recognise the pivotal role played by one of Kant’s precursors in the development of his critical philosophy. This focus is also reflected in the scholarly literature, as is evident in the Bibliography included in this volume. The first issue dealt with is the nature of the causal connection, a dominant concern in the Prolegomena. Kant is seeking a way to provide objective validity for causal judgments, as Hume’s position allows only subjective validity and results in skepticism. We then turn to Kant’s arguments with respect to Hume’s position on mathematics, 1 BERYL LOGAN which are closely allied to causality: because Hume considered all our judgments to be either matters of fact (synthetic propositions known a posteriori) or relations of ideas (analytic propositions known a priori), the causal relation was regarded by Hume to be the former and mathematics to be the latter. Kant claims that if Hume had only seen that mathematics consists of synthetic propositions known a priori, he would have realized that causality (as well as metaphysics) consists of the same, and been saved from his skepticism. Finally I address Kant’s discussion of the limits and boundaries of reason which refers to arguments in Humes Dialogues Concerning Natural Religion. Kant’s intention is to save religious belief from the skepticism that he perceived in Hume’s position. This section of the Prolegomena has received little attention in the Kant literature, but will be dealt with in some detail here. HUME’S ‘PROBLEMS’ The first three reprinted papers in this volume focus on what Kant thought was Hume’s problem, and how he sought to solve it. In the Preface to the Prolegomena, Kant states that Hume’s ‘problem’ lay in accounting for the origin of the causal concept. Hume is led to his position on causality by the restrictions of his empiricism and its theoretical constructs. As there is no impression of the concept of cause, there can be no idea of it. Hume questioned the stance of his predecessors that the concept of cause could be thought by reason a priori, independent of all experience. Kant was “awoken from his dogmatic slumber” by Hume’s suggestion that the necessity in the causal principle arises solely from observation and experience, and his conclusion that the causal relation and its justification is a matter of fact. Kant goes beyond the empiricist picture of mental life as consisting only of impressions, ideas, and the associations between them to concern himself with “what types of faculties are necessary for cognition and how their existence might be estab lished.”1 From a Kantian perspective, Hume had several ‘problems’ which stem from his empiricism: this doctrine committed him to the view that the only objects of knowledge are the contents of consciousness — impressions and ideas — and the only judgments are those expressing matters of fact or relations of ideas. This led him, according to Kant to regard any a priori principles (such as the causal connection) to be fictitious and “custom-bred” (CPR A765/B793), resulting in 2 INTRODUCTION skepticism.2 As there can be no empirical ground for the validity of causal inferences (as any empirical claim presupposes the principle in question), and the principle is not self-evident (as the concept of ‘event’ and ‘cause’ are separate ideas), the principle is natural and non-rational in character.3 The resulting lack of rigorous grounding led Kant to seek “some criterion which is not subject to the defects of the rationalist and empirical methods of proof, and which is adequate to determine the validity or invalidity of general prin ciples.”4 Kant saw that a new conceptual context was necessary in order to justify philosophically the causal inferences. This context consists of the categories, of which causality is one: those principles, known a priori, yet synthetic, that determine or condition sense-impressions, providing a justification or objective validity that combats the per ceived skepticism inherent in the traditional empiricist position. However, these concepts are also synthetic in nature: while they are logically independent of experience, and are applied to experience,5 they are not tautological, nor are they logically necessary. This realisation represented an enlargement of the empiricists’ epistemo- logical context: it went beyond the traditional division of the types of human knowledge (which Hume endorsed) into relations of ideas (analytic a priori) and matters of fact (synthetic a posteriori) to include a third type of proposition: synthetic, yet known a priori. In order to avert the Humean skepticism that results from the traditional division of propositions, such propositions must be possible. In order for objectively valid causal inferences — and metaphysics — to be possible, such propositions must be possible. To solve Hume’s problems, Kant had to first ask and then answer the question “how are synthetic judgments possible a priori?” Given that we do make some judgments where the terms in the judgment are synthetically connected but whose validity seems to be established a priori, Kant must ask how such judgments are possible. The first five sections of the Prolegomena set this stage. What is the source of metaphysical knowledge? (§1): Metaphysics is not empirical, but is knowledge of it a priori? The very concept of metaphysical knowledge, Kant claims, implies that such is its nature. It is knowledge that lies beyond experience. What kind of knowledge can be called metaphysical? (§2): Here Kant draws the distinction between analytic a priori propositions6 and synthetic a posteriori propositions. The former are logical in nature, and as their terms are connected through identity, e.g. all bodies are 3
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