Mathematics and Philosophy
1st Edition
Published on 11. May 2018
Book
Hardback
352 pages
978-1-78630-209-0 (ISBN)
Description
This book, which studies the links between mathematics and philosophy, highlights a reversal. Initially, the (Greek) philosophers were also mathematicians (geometers). Their vision of the world stemmed from their research in this field (rational and irrational numbers, problem of duplicating the cube, trisection of the angle...). Subsequently, mathematicians freed themselves from philosophy (with Analysis, differential Calculus, Algebra, Topology, etc.), but their researches continued to inspire philosophers (Descartes, Leibniz, Hegel, Husserl, etc.). However, from a certain level of complexity, the mathematicians themselves became philosophers (a movement that begins with Wronsky and Clifford, and continues until Grothendieck).
More details
Language
English
Place of publication
London
United Kingdom
Target group
Professional and scholarly
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sewn/stitched
Cloth over boards
Dimensions
Height: 239 mm
Width: 157 mm
Thickness: 23 mm
Weight
680 gr
ISBN-13
978-1-78630-209-0 (9781786302090)
Copyright in bibliographic data and cover images is held by Nielsen Book Services Limited or by the publishers or by their respective licensors: all rights reserved.
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Content
Introduction xi
Part 1. The Contribution of Mathematician-Philosophers 1
Introduction to Part 1 3
Chapter 1. Irrational Quantities 7
1.1. The appearance of irrationals or the end of the Pythagorean dream 8
1.2. The first philosophical impact 9
1.3. Consequences of the discovery of irrationals 11
1.3.1. The end of the eternal return 11
1.3.2. Abandoning the golden ratio 11
1.3.3. The problem of di3.1sorder in medicine, morals and politics 12
1.4. Possible solutions 12
1.5. A famous example: the golden number 14
1.6. Plato and the dichotomic processes 16
1.7. The Platonic generalization of ancient Pythagoreanism 17
1.7.1. The Divided Line analogy 17
1.7.2. The algebraic interpretation 18
1.7.2.1. Impossibilities 19
1.7.2.2. The case where k = O 19
1.8. Epistemological consequences: the evolution of reason 20
Chapter 2. All About the Doubling of the Cube 23
2.1. History of the question of doubling a cube 24
2.2. The non-rationality of the solution 24
2.2.1. Demonstration 24
2.2.2. The diagonal is not a solution 25
2.3. The theory proposed by Hippocrates of Chios 25
2.4. A philosophical application: platonic cosmology 27
2.5. The problem and its solutions 29
2.5.1. The future of the problem 29
2.5.2. Some solutions proposed by authors of the classical age 30
2.5.2.1. Mechanical solutions 30
2.5.2.2. Analytical solution 31
2.5.3. The doubling of the cube - going beyond Archytas: the evolution of mathematical methods 36
2.5.3.1. Menaechmus' solution 37
2.5.3.2. A brief overview of the other solutions 39
2.6. The trisection of an angle 40
2.6.1. Bold mathematicians 40
2.6.2. Plato, the tripartition of the soul and self-propulsion 42
2.6.3. A very essential shell 44
2.6.4. A final excercus 46
2.7. Impossible problems and badly formulated problems 46
2.8. The modern demonstration 47
Chapter 3. Quadratures, Trigonometry and Transcendance 51
3.1. ? - the mysterious number 52
3.2. The error of the "squarers" 53
3.3. The explicit computation of ? 55
3.4. Trigonometric considerations 57
3.5. The paradoxical philosophy of Nicholas of Cusa 59
3.5.1. An attempt at computing an approximate value for ? 59
3.5.2. Philosophical extension 61
3.6. What came next and the conclusion to the history of ? 63
3.6.1. The age of infinite products 64
3.6.2. Machin's algorithm 64
3.6.3. The problem of the nature of ? 65
3.6.4. Numerical and philosophical transcendance: Kant, Lambert and Legendre 66
Part 2. Mathematics Becomes More Powerful 69
Introduction to Part 2 71
Chapter 4. Exploring Mathesis in the 17th Century 75
4.1. The innovations of Cartesian mathematics 76
4.2. The "plan" for Descartes' Geometry 79
4.3. Studying the classification of curves 79
4.3.1. Possible explanations for the mistakes made by the Ancients 81
4.3.2. Conditions for the admissibility of curves in geometry 83
4.4. Legitimate constructions 85
4.5. Scientific consequences of Cartesian definitions 87
4.6. Metaphysical consequences of Cartesian mathematics 88
Chapter 5. The Question of Infinitesimals 91
5.1. Antiquity - the prehistory of the infinite 92
5.1.1. Infinity as Anaximander saw it 92
5.1.2. The problem of irrationals and Zeno's paradoxes 93
5.1.3. Aristotle and the dual nature of the Infinite 96
5.2. The birth of the infinitesimal calculus 98
5.2.1. Newton's Writings 99
5.2.2. Leibniz's contribution 101
5.2.3. The impact of calculus on Leibnizian philosophy 105
5.2.3.1. Small perceptions and differentials 105
5.2.3.2. Matter and living beings 109
5.2.3.3. The image of order 110
5.2.4. The epistemological problem 117
Chapter 6. Complexes, Logarithms and Exponentials 121
6.1. The road to complex numbers 122
6.2. Logarithms and exponentials 125
6.3. De Moivre's and Euler's formulas 128
6.4. Consequences on Hegelian philosophy 130
6.5. Euler's formula 132
6.6. Euler, Diderot and the existence of God 133
6.7. The approximation of functions 134
6.7.1. Taylor's formula 135
6.7.2. MacLaurin's formula 135
6.8. Wronski's philosophy and mathematics 137
6.8.1. The Supreme Law of Mathematics 138
6.8.2. Philosophical interpretation 142
6.9. Historical positivism and spiritual metaphysics 143
6.9.1. Comte's vision of mathematics 143
6.9.2. Renouvier's reaction 146
6.9.3. Spiritualist derivatives 147
6.10. The physical interest of complex numbers 148
6.11. Consequences on Bergsonian philosophy 150
Part 3. Significant Advances 155
Introduction to Part 3 157
Chapter 7. Chance, Probability and Metaphysics 161
7.1. Calculating probability: a brief history 162
7.2. Pascal's "wager" 166
7.2.1. The Pensees passage 166
7.2.2. The formal translation 167
7.2.3. Criticism and commentary 167
7.2.3.1. Laplace's criticism 167
7.2.3.2. Emile Borel's observation 169
7.2.3.3. Decision theory 170
7.2.3.4. The non-standard analysis framework 171
7.3. Social applications, from Condorcet to Musil 172
7.4. Chance, coincidences and omniscience 174
Chapter 8. The Geometric Revolution 179
8.1. The limits of the Euclidean demonstrative ideal 180
8.2. Contesting Euclidean geometry 183
8.3. Bolyai's and Lobatchevsky geometries 184
8.4. Riemann's elliptical geometry 191
8.5. Bachelard and the philosophy of "non" 194
8.6. The unification of Geometry by Beltrami and Klein 196
8.7. Hilbert's axiomatization 198
8.8. The reception of non-Euclidean geometries 200
8.9. A distant impact: Finsler's philosophy 200
Chapter 9. Fundamental Sets and Structures 203
9.1. Controversies surrounding the infinitely large 203
9.2. The concept of "the power of a set" 207
9.2.1. The "countable" and the "continuous" 208
9.2.2. The uniqueness of the continuum 209
9.2.3. Continuum hypothesis and generalized continuum hypothesis . . . 212
9.3. The development of set theory 213
9.4. The epistemological route and others 218
9.5. Analytical philosophy and its masters 222
9.6. Husserl with Goedel? 225
9.7. Appendix: Goedel's ontological proof 226
Part 4. The Advent of Mathematician-Philosophers 229
Introduction to Part 4 231
Chapter 10. The Rise of Algebra 233
10.1. Boolean algebra and its consequences 234
10.2. The birth of general algebra 237
10.3. Group theory 238
10.4. Linear algebra and non-commutative algebra 241
10.5. Clifford: a philosopher-mathematician 245
Chapter 11. Topology and Differential Geometry 253
11.1. Topology 253
11.1.1. Continuity and neighborhood 254
11.1.2. Fundamental definitions and theorems 255
11.1.3. Properties of topological spaces 257
11.1.4. Philosophy of classifications versus topology of the being 261
11.2. Models of differential geometry 262
11.2.1. Space as a support to thought 262
11.2.2. The general concept of manifold 263
11.2.3. The formal concept of differential manifold 264
11.2.4. The general theory of differential manifold 265
11.2.5. G-structures and connections 266
11.3. Some philosophical consequences 268
11.3.1. Whitehead's philosophy and relativity 269
11.3.2. Lautman's singular work 270
11.3.3. Thom and the catastrophe theory 273
Chapter 12. Mathematical Research and Philosophy 279
12.1. The different domains 279
12.2. The development of classical mathematics 282
12.3. Number theory and algebra 282
12.4. Geometry and algebraic topology 284
12.5. Category and sheaves: tools that help in globalization 286
12.5.1. Category theory 286
12.5.2. The Sheaf theory 292
12.5.3. Link to philosophy 294
12.5.4. Philosophical impact 295
12.6. Grothendieck's unitary vision 295
12.6.1. Schemes 295
12.6.2. Topoi 296
12.6.3. Motives 298
12.6.4. Philosophical consequences of motives 301
Conclusion 305
Bibliography 311
Index 327
Part 1. The Contribution of Mathematician-Philosophers 1
Introduction to Part 1 3
Chapter 1. Irrational Quantities 7
1.1. The appearance of irrationals or the end of the Pythagorean dream 8
1.2. The first philosophical impact 9
1.3. Consequences of the discovery of irrationals 11
1.3.1. The end of the eternal return 11
1.3.2. Abandoning the golden ratio 11
1.3.3. The problem of di3.1sorder in medicine, morals and politics 12
1.4. Possible solutions 12
1.5. A famous example: the golden number 14
1.6. Plato and the dichotomic processes 16
1.7. The Platonic generalization of ancient Pythagoreanism 17
1.7.1. The Divided Line analogy 17
1.7.2. The algebraic interpretation 18
1.7.2.1. Impossibilities 19
1.7.2.2. The case where k = O 19
1.8. Epistemological consequences: the evolution of reason 20
Chapter 2. All About the Doubling of the Cube 23
2.1. History of the question of doubling a cube 24
2.2. The non-rationality of the solution 24
2.2.1. Demonstration 24
2.2.2. The diagonal is not a solution 25
2.3. The theory proposed by Hippocrates of Chios 25
2.4. A philosophical application: platonic cosmology 27
2.5. The problem and its solutions 29
2.5.1. The future of the problem 29
2.5.2. Some solutions proposed by authors of the classical age 30
2.5.2.1. Mechanical solutions 30
2.5.2.2. Analytical solution 31
2.5.3. The doubling of the cube - going beyond Archytas: the evolution of mathematical methods 36
2.5.3.1. Menaechmus' solution 37
2.5.3.2. A brief overview of the other solutions 39
2.6. The trisection of an angle 40
2.6.1. Bold mathematicians 40
2.6.2. Plato, the tripartition of the soul and self-propulsion 42
2.6.3. A very essential shell 44
2.6.4. A final excercus 46
2.7. Impossible problems and badly formulated problems 46
2.8. The modern demonstration 47
Chapter 3. Quadratures, Trigonometry and Transcendance 51
3.1. ? - the mysterious number 52
3.2. The error of the "squarers" 53
3.3. The explicit computation of ? 55
3.4. Trigonometric considerations 57
3.5. The paradoxical philosophy of Nicholas of Cusa 59
3.5.1. An attempt at computing an approximate value for ? 59
3.5.2. Philosophical extension 61
3.6. What came next and the conclusion to the history of ? 63
3.6.1. The age of infinite products 64
3.6.2. Machin's algorithm 64
3.6.3. The problem of the nature of ? 65
3.6.4. Numerical and philosophical transcendance: Kant, Lambert and Legendre 66
Part 2. Mathematics Becomes More Powerful 69
Introduction to Part 2 71
Chapter 4. Exploring Mathesis in the 17th Century 75
4.1. The innovations of Cartesian mathematics 76
4.2. The "plan" for Descartes' Geometry 79
4.3. Studying the classification of curves 79
4.3.1. Possible explanations for the mistakes made by the Ancients 81
4.3.2. Conditions for the admissibility of curves in geometry 83
4.4. Legitimate constructions 85
4.5. Scientific consequences of Cartesian definitions 87
4.6. Metaphysical consequences of Cartesian mathematics 88
Chapter 5. The Question of Infinitesimals 91
5.1. Antiquity - the prehistory of the infinite 92
5.1.1. Infinity as Anaximander saw it 92
5.1.2. The problem of irrationals and Zeno's paradoxes 93
5.1.3. Aristotle and the dual nature of the Infinite 96
5.2. The birth of the infinitesimal calculus 98
5.2.1. Newton's Writings 99
5.2.2. Leibniz's contribution 101
5.2.3. The impact of calculus on Leibnizian philosophy 105
5.2.3.1. Small perceptions and differentials 105
5.2.3.2. Matter and living beings 109
5.2.3.3. The image of order 110
5.2.4. The epistemological problem 117
Chapter 6. Complexes, Logarithms and Exponentials 121
6.1. The road to complex numbers 122
6.2. Logarithms and exponentials 125
6.3. De Moivre's and Euler's formulas 128
6.4. Consequences on Hegelian philosophy 130
6.5. Euler's formula 132
6.6. Euler, Diderot and the existence of God 133
6.7. The approximation of functions 134
6.7.1. Taylor's formula 135
6.7.2. MacLaurin's formula 135
6.8. Wronski's philosophy and mathematics 137
6.8.1. The Supreme Law of Mathematics 138
6.8.2. Philosophical interpretation 142
6.9. Historical positivism and spiritual metaphysics 143
6.9.1. Comte's vision of mathematics 143
6.9.2. Renouvier's reaction 146
6.9.3. Spiritualist derivatives 147
6.10. The physical interest of complex numbers 148
6.11. Consequences on Bergsonian philosophy 150
Part 3. Significant Advances 155
Introduction to Part 3 157
Chapter 7. Chance, Probability and Metaphysics 161
7.1. Calculating probability: a brief history 162
7.2. Pascal's "wager" 166
7.2.1. The Pensees passage 166
7.2.2. The formal translation 167
7.2.3. Criticism and commentary 167
7.2.3.1. Laplace's criticism 167
7.2.3.2. Emile Borel's observation 169
7.2.3.3. Decision theory 170
7.2.3.4. The non-standard analysis framework 171
7.3. Social applications, from Condorcet to Musil 172
7.4. Chance, coincidences and omniscience 174
Chapter 8. The Geometric Revolution 179
8.1. The limits of the Euclidean demonstrative ideal 180
8.2. Contesting Euclidean geometry 183
8.3. Bolyai's and Lobatchevsky geometries 184
8.4. Riemann's elliptical geometry 191
8.5. Bachelard and the philosophy of "non" 194
8.6. The unification of Geometry by Beltrami and Klein 196
8.7. Hilbert's axiomatization 198
8.8. The reception of non-Euclidean geometries 200
8.9. A distant impact: Finsler's philosophy 200
Chapter 9. Fundamental Sets and Structures 203
9.1. Controversies surrounding the infinitely large 203
9.2. The concept of "the power of a set" 207
9.2.1. The "countable" and the "continuous" 208
9.2.2. The uniqueness of the continuum 209
9.2.3. Continuum hypothesis and generalized continuum hypothesis . . . 212
9.3. The development of set theory 213
9.4. The epistemological route and others 218
9.5. Analytical philosophy and its masters 222
9.6. Husserl with Goedel? 225
9.7. Appendix: Goedel's ontological proof 226
Part 4. The Advent of Mathematician-Philosophers 229
Introduction to Part 4 231
Chapter 10. The Rise of Algebra 233
10.1. Boolean algebra and its consequences 234
10.2. The birth of general algebra 237
10.3. Group theory 238
10.4. Linear algebra and non-commutative algebra 241
10.5. Clifford: a philosopher-mathematician 245
Chapter 11. Topology and Differential Geometry 253
11.1. Topology 253
11.1.1. Continuity and neighborhood 254
11.1.2. Fundamental definitions and theorems 255
11.1.3. Properties of topological spaces 257
11.1.4. Philosophy of classifications versus topology of the being 261
11.2. Models of differential geometry 262
11.2.1. Space as a support to thought 262
11.2.2. The general concept of manifold 263
11.2.3. The formal concept of differential manifold 264
11.2.4. The general theory of differential manifold 265
11.2.5. G-structures and connections 266
11.3. Some philosophical consequences 268
11.3.1. Whitehead's philosophy and relativity 269
11.3.2. Lautman's singular work 270
11.3.3. Thom and the catastrophe theory 273
Chapter 12. Mathematical Research and Philosophy 279
12.1. The different domains 279
12.2. The development of classical mathematics 282
12.3. Number theory and algebra 282
12.4. Geometry and algebraic topology 284
12.5. Category and sheaves: tools that help in globalization 286
12.5.1. Category theory 286
12.5.2. The Sheaf theory 292
12.5.3. Link to philosophy 294
12.5.4. Philosophical impact 295
12.6. Grothendieck's unitary vision 295
12.6.1. Schemes 295
12.6.2. Topoi 296
12.6.3. Motives 298
12.6.4. Philosophical consequences of motives 301
Conclusion 305
Bibliography 311
Index 327