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The Collected Papers of Charles Sanders Peirce CP1-8

CP1 Principles of Philosophy
Harvard University Press 1931

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Introduction Preface
Book I. General Historical Orientation
Chapter 1. Lessons From the History of Philosophy
1. Nominalism	15
2. Conceptualism	27
3. The Spirit of Scholasticism	28
4. Kant and his Refutation of Idealism	35
5. Hegelism	40
Chapter 2. Lessons From the History of Science
1. The Scientific Attitude	43
2. The Scientific Imagination	46
3. Science and Morality	49
4. Mathematics	52
5. Science as a Guide to Conduct	55
6. Morality and Sham Reasoning	56
7. The Method of Authority	59
8. Science and Continuity	61
9. The Analytic Method	63
10. Kinds of Reasoning	65
11. The Study of the Useless	75
12. Il Lume Naturale	80
13. Generalization and Abstraction	82
14. The Evaluation of Exactitude	85
15. Science and Extraordinary Phenomena	87
16. Reasoning from Samples	92
17. The Method of Residual Phenomena	98
18. Observation	99
19. Evolution	103
20. Some A Priori Dicta	110
21. The Paucity of Scientific Knowledge	116
22. The Uncertainty of Scientific Results	120
23. Economy of Research	122
Chapter 3. Notes On Scientific Philosophy
1. Laboratory and Seminary Philosophies	126
2. Axioms	130
3. The Observational Part of Philosophy	133
4. The First Rule of Reason	135
5. Fallibilism, Continuity, and Evolution	141
Book II. The Classification of The Sciences
Chapter 1. An Outline Classification of The Sciences
Chapter 2. A Detailed Classification of The Sciences
1. Natural Classes	203
2. Natural Classifications	224
3. The Essence of Science	232
4. The Divisions of Science	238
5. The Divisions of Philosophy	273
6. The Divisions of Mathematics	283
Book III. PHENOMENOLOGY
Chapter 1. INTRODUCTION
1. The Phaneron	284
2. Valencies	288
3. Monads, Dyads, and Triads	293
4. Indecomposable Elements	294
Chapter 2. THE CATEGORIES IN DETAIL
A. Firstness
1. The Source of the Categories	300
2. The Manifestation of Firstness	302
3. The Monad	303
4. Qualities of Feeling	304
5. Feeling as Independent of Mind and Change	305
6. A Definition of Feeling	306
7. The Similarity of Feelings of Different Sensory Modes	312
8. Presentments as Signs	313
9. The Communicability of Feelings	314
10. The Transition to Secondness	317
B. Secondness
1. Feeling and Struggle	322
2. Action and Perception	324
3. The Varieties of Secondness	325
4. The Dyad	326
5. Polar Distinctions and Volition	330
6. Ego and Non-Ego	332
7. Shock and the Sense of Change	335
C. Thirdness
1. Examples of Thirdness	337
2. Representation and Generality	338
3. The Reality of Thirdness	343
4. Protoplasm and the Categories	350
5. The Interdependence of the Categories	353
Chapter 3. A GUESS AT THE RIDDLE
Plan of the Work	354
1. Trichotomy	355
2. The Triad in Reasoning	369
3. The Triad in Metaphysics	373
4. The Triad in Psychology	374
5. The Triad in Physiology	385
6. The Triad in Biological Development	395
7. The Triad in Physics	400
Chapter 4. THE LOGIC OF MATHEMATICS; AN ATTEMPT TO DEVELOP MY CATEGORIES FROM WITHIN
1. The Three Categories	417
2. Quality	422
3. Fact	427
4. Dyads	441
5. Triads	471
Chapter 5. DEGENERATE CASES
1. Kinds of Secondness	521
2. The Firstness of Firstness, Secondness and Thirdness	530
Chapter 6. ON A NEW LIST OF CATEGORIES
1. Original Statement	545
2. Notes on the Preceding	560
Chapter 7. TRIADOMANY	568
Book IV. THE NORMATIVE SCIENCES
Chapter 1. INTRODUCTION	573
Chapter 2. ULTIMATE GOODS	575
Chapter 3. AN ATTEMPTED CLASSIFICATION OF ENDS	585
Chapter 4. IDEALS OF CONDUCT	591
Chapter 5. VITALLY IMPORTANT TOPICS
1. Theory and Practice	616
2. Practical Concerns and the Wisdom of Sentiment	649
3. Vitally Important Truths	661

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Contents

Introduction

Preface

Book I. General Historical Orientation

Book II. The Classification of The Sciences

Book III. PHENOMENOLOGY

Book IV. THE NORMATIVE SCIENCES