Deviant Logic, Fuzzy Logic: Beyond the Formalism 0226311341, 9780226311340

Initially proposed as rivals of classical logic, alternative logics have become increasingly important in areas such as

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English Pages 291 [158] Year 1996

Deviant Logic, Fuzzy Logic: Beyond the Formalism
0226311341, 9780226311340

Author / Uploaded
Susan Haack

Table of contents :
Contens

Introduction, 1996 ix
Note on Notation xxi

DEVIANT LOGIC

Preface and Acknowledgements xxv

Part I
Chapter 1: 'Alternative' in 'Alternative Logic' 1
Chapter 2: Reason for Deviance 25
Chapter 3: Deviance and the Theory of Truth 47

Part II
Chapter 4: Future Contingents 73
Chapter 5: Intuitionism 91
Chapter 6: Vagueness 109
Chapter 7: Singular Terms and Existence 126
Chapter 8: Quantum Mechanics 148
Apendix 168

DEDUCTION AND LOGICAL TRUTH

Introduction 181
The Justification of Deduction 183
Dummer's Justification of Deduction 192
Analyticity and Logical Truth in The Roots of Reference 214

FUZZY LOGIC

Introduction 229
Do We Need 'Fuzzy Logic'? 232
Is Truth Flat or Bumpy? 243

Supplementary Bibliography of Selected Recent Material 259
Works Cited 267
Index 283