Making and Breaking Mathematical Sense: Histories and Philosophies of Mathematical Practice PDF
Preview Making and Breaking Mathematical Sense: Histories and Philosophies of Mathematical Practice
Making and Breaking Mathematical Sense ■ ■ ■ ■ ■ ■ ■ This content downloaded from 59.120.225.187 on Thu, 13 Aug 2020 18:32:06 UTC All use subject to https://about.jstor.org/terms This content downloaded from 59.120.225.187 on Thu, 13 Aug 2020 18:32:06 UTC All use subject to https://about.jstor.org/terms Making and Breaking Mathematical Sense HISTORIES AND PHILOSOPHIES OF MATHEMATICAL PRACTICE ■ ■ ■ ■ ■ ■ ■ Roi Wagner PRINCETON UNIVERSITY PRESS PRINCETON AND OXFORD This content downloaded from 59.120.225.187 on Thu, 13 Aug 2020 18:32:06 UTC All use subject to https://about.jstor.org/terms Copyright © 2017 by Princeton University Press Published by Princeton University Press, 41 William Street, Princeton, New Jersey 08540 In the United Kingdom: Princeton University Press, 6 Oxford Street, Woodstock, Oxfordshire OX20 1TR press.princeton.edu All Rights Reserved Library of Congress Cataloging-in-Publication Data Names: Wagner, Roi, 1973– Title: Making and breaking mathematical sense : histories and philosophies of mathematical practice / Roi Wagner. Description: Princeton : Princeton University Press, [2017] | Includes bibliographical references and index. Identifiers: LCCN 2016022844 | ISBN 9780691171715 (hardcover : alk. paper) Subjects: LCSH: Mathematics—Philosophy—History. | Mathematics—History Classification: LCC QA8.4 .W334 2017 | DDC 510.1—dc23 LC record available at https://lccn.loc.gov/2016022844 British Library Cataloging-in-Publication Data is available This book has been composed in Linux Libertine O and Myriad Pro Printed on acid-free paper. ∞ Printed in the United States of America 10 9 8 7 6 5 4 3 2 1 This content downloaded from 59.120.225.187 on Thu, 13 Aug 2020 18:32:06 UTC All use subject to https://about.jstor.org/terms To Rhone, who’s too good for some cliché dedication This content downloaded from 59.120.225.187 on Thu, 13 Aug 2020 18:32:06 UTC All use subject to https://about.jstor.org/terms This content downloaded from 59.120.225.187 on Thu, 13 Aug 2020 18:32:06 UTC All use subject to https://about.jstor.org/terms Contents ■ ■ ■ ■ ■ ■ ■ ■ Acknowledgments xi Introduction 1 What Philosophy of Mathematics Is Today 1 What Else Philosophy of Mathematics Can Be 3 A Vignette: Option Pricing and the Black-Scholes Formula 6 Outline of This Book 10 Chapter 1: Histories of Philosophies of Mathematics 13 History 1: On What There Is, Which Is a Tension between Natural Order and Conceptual Freedom 14 History 2: The Kantian Matrix, Which Grants Mathematics a Constitutive Intermediary Epistemological Position 22 History 3: Monster Barring, Monster Taming, and Living with Mathematical Monsters 28 History 4: Authority, or Who Gets to Decide What Mathematics Is About 33 The “Yes, Please!” Philosophy of Mathematics 37 Chapter 2: The New Entities of Abbacus and Renaissance Algebra 39 Abbacus and Renaissance Algebraists 39 The Emergence of the Sign of the Unknown 40 First Intermediary Reflection 45 The Arithmetic of Debited Values 46 Second Intermediary Reflection 51 This content downloaded from 59.120.225.187 on Thu, 13 Aug 2020 18:32:12 UTC All use subject to https://about.jstor.org/terms viii • Contents False and Sophistic Entities 53 Final Reflection and Conclusion 56 Chapter 3: A Constraints-Based Philosophy of Mathematical Practice 59 Dismotivation 59 The Analytic A Posteriori 63 Consensus 67 Interpretation 72 Reality 81 Constraints 84 Relevance 90 Conclusion 97 Chapter 4: Two Case Studies of Semiosis in Mathematics 100 Ambiguous Variables in Generating Functions 101 Between Formal Interpretations 101 Models and Applications 107 Openness to Interpretation 109 Gendered Signs in a Combinatorial Problem 112 The Problem 112 Gender Role Stereotypes and Mathematical Results 116 Mathematical Language and Its Reality 120 The Forking Paths of Mathematical Language 122 Chapter 5: Mathematics and Cognition 128 The Number Sense 129 Mathematical Metaphors 137 Some Challenges to the Theory of Mathematical Metaphors 142 Best Fit for Whom? 143 What Is a Conceptual Domain? 146 In Which Direction Does the Theory Go? 150 So How Should We Think about Mathematical Metaphors? 154 An Alternative Neural Picture 156 This content downloaded from 59.120.225.187 on Thu, 13 Aug 2020 18:32:12 UTC All use subject to https://about.jstor.org/terms Contents • ix Another Vision of Mathematical Cognition 163 From Diagrams to Haptic Vision 164 Haptic Vision in Practice 171 Chapter 6: Mathematical Metaphors Gone Wild 177 What Passes between Algebra and Geometry 177 Piero della Francesca (Italy, Fifteenth Century) 178 Omar Khayyam (Central Asia, Eleventh Century) 179 René Descartes (France, Seventeenth Century) 181 Rafael Bombelli (Italy, Sixteenth Century) 183 Conclusion 187 A Garden of Infinities 188 Limits 189 Infinitesimals and Actual Infinities 194 Chapter 7: Making a World, Mathematically 199 Fichte 201 Schelling 206 Hermann Cohen 209 The Unreasonable(?) Applicability of Mathematics 213 Bibliography 219 Index 233 This content downloaded from 59.120.225.187 on Thu, 13 Aug 2020 18:32:12 UTC All use subject to https://about.jstor.org/terms
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