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Geometry and Chronometry in Philosophical Perspective PDF

391 Pages·1968·4.94 MB·English
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GEOMETRY AND CHRONOMETRY IN PHILOSOPHICAL PERSPECTIVE This page intentionally left blank GEOMETRY AND CHRONOMETRY IN PHILOSOPHICAL PERSPECTIVE BY Adolf Grünbaum UNIVERSITY OF MINNESOTA PRESS • MINNEAPOLIS © Copyright 1968 by the University of Minnesota. Chapter I © copyright 1962 by the University of Minnesota. Chapter III © copyright 1968 by Adolf Grünbaum. All rights reserved. Printed and bound in the United States of America at The Colonial Press, Inc., Clinton, Massachusetts Library of Congress Catalog Card Number: 68-22363 PUBLISHED IN GREAT BRITAIN, INDIA, AND PAKISTAN BY THE OXFORD UNIVERSITY PRESS, LONDON, BOMBAY, AND KARACHI, AND IN CANADA BY THE COPP CLARK PUBLISHING CO. LIMITED, TORONTO To my brother, Norbert Grünbaum, M.D., and my sister, Suzanne Reines This page intentionally left blank PREFACE An essay of mine on the philosophy of geometry and chronometry appeared in 1962 as part of the third volume of the Minnesota Studies in the Philosophy of Science (Scientific Explanation, Space, and Time, edited by H. Feigl and G. Maxwell). This essay prompted Hilary Putnam to publish a lengthy critique in 1963 in the second volume of The Delaware Seminar (Philosophy of Science, edited by B. Baumrin). The kind proposal by the University of Minnesota Press to reissue my 1962 essay separately provided me with the welcome opportunity to publish a detailed reply to Putnam (Chapter III of the present volume) and an extension of the original essay (Chapter II), along with the 1962 text on which Putnam rested his critique (which appears here as Chapter I). Chapter II includes some corrections of the 1962 essay. Apart from acknowledgments made within the text, I owe an immense debt to my physicist colleague Allen I. Janis for invaluable help with points and examples in Chapter III, §§2, 8, and 9. Further- more, I had the benefit of discussions with Wilfrid Sellars of issues relating to Chapter II, §1, and with Wesley Salmon of matters pertaining to the interpretation of Putnam's views. As is evident from the length of my reply in Chapter III, I am indebted to Putnam for the great stimulus which his essay afforded me to clarify my views both to others and to myself, and to Robert S. Cohen and Wilfrid Sellars for encouragement to write this reply. To a lesser extent, this also applies to George Schlesinger with respect to Chapter vii Viii GEOMETRY AND CHRONOMETRY IN PHILOSOPHICAL PERSPECTIVE II. I am also obliged to Elizabeth (Mrs. John H.) McMunn for her excellent preparation of the typescript, to Jeanne Sinnen of the University of Minnesota Press for her imaginative and painstaking editing of the entire manuscript, and to Robert Herrick for his competent compilation of the index. Chapter II draws on material in my article "The Denial of Absolute Space and the Hypothesis of a Universal Nocturnal Expansion," published in the Australasian Journal of Philosophy (May 1967), and I owe thanks to the editors of that journal for permission to use the material here. Finally I wish to thank the National Science Foundation for the support of research and the following publishers for permission to quote from the works of their authors: University of California Press (Berkeley), publisher of Newton's Principia, edited by F. Cajori; Cambridge University Press, publisher of A. N. Whitehead's The Concept of Nature; Clarendon Press, publisher of E. A. Milne's Modern Cosmology and the Christian Idea of God; Dover Publications, Inc., publisher of A. D'Abro's The Evolution of Scientific Thought from Newton to Einstein and of D. M. Y. Sommerville's The Elements of Non-Euclidean Geometry, E. P. Dutton and Company and Methuen and Company, Ltd., publishers of Einstein's Sidelights on Relativity, translated by G. B. Jeffery and W. Perrett (in which Einstein's essay "Geometry and Experience" first appeared); and Interscience Publishers, which issued The Delaware Seminar: Philosophy of Science, in which Put- nam's essay appeared. A. G. University of Pittsburgh January 1968 CONTENTS Chapter I. GEOMETRY, CHRONOMETRY, AND EMPIRICISM 1. Introduction, page 3 2. The Criteria of Rigidity and Isochronism: The Epistemological Status of Spatial and Temporal Congruence, page 6 (i) The Clash between Newton's and Riemann's Conceptions of Congruence and the Role of Conventions in Geochronometry, page 6 (ii) Physical Congruence, Testability, and Operationism, page 30 (iii) The Inadequacies of the Nongeometrical Portion of Riemann's Theory of Manifolds, page 33 3. An Appraisal of R. Carnap's and H. Reichenbach's Philosophy of Geometry, page 35 (i) The Status of Reichenbach's 'Universal Forces,' and His 'Relativity of Geometry,' page 35 (ii) Reichenbach's Theory of Equivalent Descriptions, page 51 (iii) An Error in the Carnap-Reichenbach Account of the Definition of Con- gruence: The Nonuniqueness of Any Definition of Congruence Furnished by Stipulating a Particular Metric Geometry, page 52 4. Some Chronometric Ramifications of the Conventionality of Con- gruence, page 59 (i) Newtonian Mechanics, page 59 (ii) The General Theory of Relativity, page 70 (iii) The Cosmology of E. A. Milne, page 73

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Geometry and Chronometry in Philosophical Perspective was first published in 1968. Minnesota Archive Editions uses digital technology to make long-unavailable books once again accessible, and are published unaltered from the original University of Minnesota Press editions.In this volume Professor Gr
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