JOHN PHILOPONUS' NEW DEFINITION OF PRIME MATTER PHILOSOPHIA ANTIQUA A SERIES OF STUDIES ON ANCIENT PHILOSOPHY FOUNDED BY J.H. WASZINK AND W.J. VERDENIUS EDITED BY J. MANSFELD, D.T. RUNIA J.C.M. VAN WINDEN VOLUME LXIX FRANS AJ. DE HAAS JOHN PHILOPONUS' NEW DEFINITION OF PRIME MATTER JOHN PHILOPONUS' NEW DEFINITION OF PRIME MATTER ASPECTS OF ITS BACKGROUND IN NEOPLAT ONISM AND THE ANCIENT COMMENTARY TRADITION BY FRANS AJ. DE HAAS EJ. BRILL LEIDEN · NEW YORK · KOLN 1997 The paper in this book meets the guidelines for permanence and durability of the Committee on Production Guidelines for Book Longevity of the Council on Library Resources. Library of Congress Cataloging-in-Publication Data Haas, Frans AJ. de. John Philoponus' new definition of prime matter : aspects of its background in Neoplatonism and the ancient commentary tradition I by Frans AJ. de Haas. p. em.- (Philosophia antiqua, ISSN 0079-1687; v. 69) Revision of the author's thesis (doctoral)-1995 under title: Philoponus' notion of prime matter. Includes bibliographical references and indexes. ISBN 9004104461 (cloth : alk. paper) I. Philoponus, John, 6th cent-Contributions in concept of prime matter. 2. Prime matter (Philosophy)-History. I. Title. II. Series. B673J64H22 1996 117-dc20 96-38326 CIP Die Deutsche Bibliothek-CIP-Einheitsaufnahme Haas, Frans AJ. de: John Philoponus' new definition of prime matter : aspects of its background in Neoplatonism and the ancient commentary tradition I by Frans AJ. de Haas.-Leidcn; New York; Koln : Brill, 1996 (Philosophia antiqua; Vol. 69) ISBN 90-04-1 0446-1 NE:GT ISSN 0079-1687 ISBN 90 04 I 0446 I © Copyright 1997 by E.]. Brill, Leiden, 7he Netherlands All rights reserved. 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PRINTED IN THE NETHERLANDS Ta.u-ra. oe cO~ cra.<pfi OV'ta. na.pfix:ev 6 'Aptcr'tO'tEA:rt~ Aristotle omitted this because he believed it was evident John Philoponus, In De generatione et corruptione 74.3 For Monique TABLE OF CONTENTS Preface................................................................................................ ix Introduction . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi Chapter One: Proclus and Philoponus.................................................. I I Proclus against the generation of matter ex nihi/o.................... 1 1 The origin of matter in Proclus' Timaeus-commentary...... 6 1. 1 The generation of matter requires matter . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.2 'Generated' means 'depending on a cause' ...................... 8 1.3 The revision of the house analogy . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . .. 9 1. 4 The significance of disorder . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . 14 2 The pivotal role of Aet. XI ............................................... 17 II Philoponus' presentation of the status quaestionis concerning matter (Contra Proclum Xl.l-2) ............................ 20 I The communis opinio concerning matter (XI.1)................ 21 2 Theoretical distinctions . . . . . . . . . .. . . . . . . . . . .. . . . . . . . . . . . . . . . .. .. . . . . . . . . .. 26 3 The arguments in favour of the communis opinio (XI.2) ... 29 4 The traditional theory of matter in Philoponus' works: some controversial passages.............................................. 31 III Turning the tables (Contra Proc/um Xl.3) ............................... 36 Chapter Two: Three-dimensionality in the ancient philosophical tradition .................................................. ."............................... 46 Aspects of three-dimensionality............................................... 4 7 II Plato and Aristotle: matter, place, and limits . . . . . . . . .. . ... . . . . . . . . .. . . . 50 1 Plato: the poly-interpretability of the Timaeus................... 50 2 Aristotle's criticism of Plato: place and matter.................. 55 3 Aristotle's criticism of the Pythagoreans: limits................ 60 4 Aristotle's own notion of matter....................................... 70 III The level of three-dimensionality in later Platonic thought...... 74 1 Proclus' Commentary on the Parmenides ......................... 75 l.l Syrianus' defense ofPythagoreanism................................ 82 1.2 Aristotle's account of infinity........................................... 88 1.3 Unqualified body as substratum........................................ 91 2 Proclus' Commentary on the Timaeus............................... 94 3 The commentaries on the Categories................................ 99 4 The reception ofPlotinus' criticism of the Stoa................. 100 4.1 Simplicius: the universal agreement concerning matter.... 102