Plural Logic: Second Edition, Revised and Enlarged
Alex Oliver and Timothy Smiley provide a natural point of entry to what for most readers will be a new subject. Plural logic deals with plural terms ('Whitehead and Russell', 'Henry VIII's wives', 'the real numbers', 'the square root of -1', 'they'), plural predicates ('surrounded the fort', 'are prime', 'are consistent', 'imply'), and plural quantification ('some things', 'any things'). Current logic is singularist: its terms stand for at most one thing. By contrast, the foundational thesis of this book is that a particular term may legitimately stand for several things at once; in other words, there is such a thing as genuinely plural denotation. The authors argue that plural phenomena need to be taken seriously and that the only viable response is to adopt a plural logic, a logic based on plural denotation. They expound a framework of ideas that includes the distinction between distributive and collective predicates, the theory of plural descriptions, multivalued functions, and lists. A formal system of plural logic is presented in three stages, before being applied to Cantorian set theory as an illustration. Technicalities have been kept to a minimum, and anyone who is familiar with the classical predicate calculus should be able to follow it. The authors' approach is an attractive blend of no-nonsense argumentative directness and open-minded liberalism, and they convey the exciting and unexpected richness of their subject. Mathematicians and linguists, as well as logicians and philosophers, will find surprises in this book. This second edition includes a greatly expanded treatment of the paradigm empty term zilch, a much strengthened treatment of Cantorian set theory, and a new chapter on higher-level plural logic.
1135300038
Plural Logic: Second Edition, Revised and Enlarged
Alex Oliver and Timothy Smiley provide a natural point of entry to what for most readers will be a new subject. Plural logic deals with plural terms ('Whitehead and Russell', 'Henry VIII's wives', 'the real numbers', 'the square root of -1', 'they'), plural predicates ('surrounded the fort', 'are prime', 'are consistent', 'imply'), and plural quantification ('some things', 'any things'). Current logic is singularist: its terms stand for at most one thing. By contrast, the foundational thesis of this book is that a particular term may legitimately stand for several things at once; in other words, there is such a thing as genuinely plural denotation. The authors argue that plural phenomena need to be taken seriously and that the only viable response is to adopt a plural logic, a logic based on plural denotation. They expound a framework of ideas that includes the distinction between distributive and collective predicates, the theory of plural descriptions, multivalued functions, and lists. A formal system of plural logic is presented in three stages, before being applied to Cantorian set theory as an illustration. Technicalities have been kept to a minimum, and anyone who is familiar with the classical predicate calculus should be able to follow it. The authors' approach is an attractive blend of no-nonsense argumentative directness and open-minded liberalism, and they convey the exciting and unexpected richness of their subject. Mathematicians and linguists, as well as logicians and philosophers, will find surprises in this book. This second edition includes a greatly expanded treatment of the paradigm empty term zilch, a much strengthened treatment of Cantorian set theory, and a new chapter on higher-level plural logic.
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Plural Logic: Second Edition, Revised and Enlarged

Plural Logic: Second Edition, Revised and Enlarged

Plural Logic: Second Edition, Revised and Enlarged

Plural Logic: Second Edition, Revised and Enlarged

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Overview

Alex Oliver and Timothy Smiley provide a natural point of entry to what for most readers will be a new subject. Plural logic deals with plural terms ('Whitehead and Russell', 'Henry VIII's wives', 'the real numbers', 'the square root of -1', 'they'), plural predicates ('surrounded the fort', 'are prime', 'are consistent', 'imply'), and plural quantification ('some things', 'any things'). Current logic is singularist: its terms stand for at most one thing. By contrast, the foundational thesis of this book is that a particular term may legitimately stand for several things at once; in other words, there is such a thing as genuinely plural denotation. The authors argue that plural phenomena need to be taken seriously and that the only viable response is to adopt a plural logic, a logic based on plural denotation. They expound a framework of ideas that includes the distinction between distributive and collective predicates, the theory of plural descriptions, multivalued functions, and lists. A formal system of plural logic is presented in three stages, before being applied to Cantorian set theory as an illustration. Technicalities have been kept to a minimum, and anyone who is familiar with the classical predicate calculus should be able to follow it. The authors' approach is an attractive blend of no-nonsense argumentative directness and open-minded liberalism, and they convey the exciting and unexpected richness of their subject. Mathematicians and linguists, as well as logicians and philosophers, will find surprises in this book. This second edition includes a greatly expanded treatment of the paradigm empty term zilch, a much strengthened treatment of Cantorian set theory, and a new chapter on higher-level plural logic.

Product Details

ISBN-13: 9780192593153
Publisher: OUP Oxford
Publication date: 11/04/2016
Sold by: Barnes & Noble
Format: eBook
File size: 2 MB

About the Author

Alex Oliver read philosophy at Cambridge and Yale. After a Research Fellowship at Gonville and Caius College, Cambridge, he joined the Faculty of Philosophy where he is now a Professor. He was awarded a Leverhulme Major Research Fellowship and the Mind Association's Senior Research Fellowship for work in logic. Timothy Smiley studied logic and philosophy at the University of Fribourg in Switzerland in 1948, before reading mathematics at Cambridge. After service in the RAF and the Air Ministry he was called to the Bar at Gray's Inn, but opted to take up a Research Fellowship at Clare College, Cambridge. He became Senior Tutor of his College and was a University Lecturer in Philosophy before being elected as Knightbridge Professor in 1980.

Table of Contents

  • 1: The project1.1 Plural phenomena1.2 Plurals in mathematics and logic
  • 2: 1.3 Strategies for a logic of plurals1.4 Manoeuvres of a consertative logician: a case study1.5 Plan of the bookHistory2.1 Distributive and collective predication2.2 Mill2.3 Frege2.4 Lesniewski2.5 Russell2.6 Russell to Boolos
  • 3: Changing the subject3.1 Changing the subject to sets3.2 Uniformity3.3 Against the naive version of changing the subject3.4 Changing the subject and the predicate3.5 The pain of paradox3.6 Changing the subject is simply not on3.7 Changing the subject in practiceAppendix. Events to the rescue?
  • 4: Predicative analyses4.1 Russell's theory of plural descriptions4.2 Other predicative analyses4.3 The equivocity objection4.4 Boolos's 'reciprocal illumination'4.5 Boolos's second-order representation of plurals4.6 Boolos and equivocity4.7 Rumfitt's purified Boolosian schemeAppendix. Dummett and Frege on plurals
  • 5: Terms--singular and plural5.1 Terms5.2 Varieties of singular term5.3 Varieties of plural term5.4 The Russellian idea of singular term5.5 Nested terms5.6 Empty terms5.7 Predication
  • 6: The indeterminacy of plural denotation6.1 Two accounts of denotation6.2 Plural descriptions: some elementary facts6.3 Which account is correct?6.4 Dissenting voices I6.5 Free relatives and why -- questions6.6 Dissenting voices II6.7 Indeterminacy
  • 7: Some basic ideas of plural logic7.1 Variables and quantification7.2 Inclusion and identity7.3 Zilch7.4 Distributive predicates7.5 Collective predicatesAppendix 1. Ex nihilo nihil fitAppendix 2. Das Nichts selbst nichtet
  • 8: Plural descriptions8.1 A theory of descriptions8.2 Formalizing the theory, definability, and ineliminability8.3 Exercises for the reader8.4 SuperpluralsAppendix. Sharvy's theory of descriptions
  • 9: Multivalued functions9.1 Varieties of function9.2 Mathematicians and logicians9.3 Functions and relations9.4 The ambiguity objection9.5 Proposals for eliminating them
  • 10: Lists10.1 Lists as terms10.2 Term-forming 'and'10.3 Lists as strings10.4 Places and positions10.5 Terms vs strings in the literatureAnalyses assessedAppendix.In defence of multigrade predicates
  • 11: Singular logic11.1 Topic neutrality11.2 Syntax11.3 Axioms11.4 Metatheorems11.5 SemanticsAppendix. Soundness and completeness proofs
  • 12: Mid-plural logic12.1 Ideas12.2 Syntax12.3 Axioms12.4 Metatheorems12.5 Semantics12.6 Relation of mid-plural logic to singular logic12.7 The algebra of pluralsAppendix. Soundness and completeness proofs
  • 13: Full plural logic13.1 Syntax13.2 Semantics13.3 Expressive power13.4 Partial axiomatization13.5 Comprehension13.6 Choice
  • 1415: Cantorian set theory14.1 Plurals and sets14.2 Cantor's collections14.3 The empty set14.4 Singletons14.5 Ur-elements14.6 A superstructure, not a foundation14.7 Iterative Cantorian set theory14.8 Developing the theoryAppendix. Development of the theoryHigher-level plural logic15.1 Pseudo-singular terms15.2 Higher-level plural logic: some basic ideas15.3 Description15.4 Levels15.5 Partial axiomatization15.6 Does set theory rest on a mistake?
  • Postscript: unfinished business1 Second-order plural logic2 Partial functions3 Other topics
  • Principal symbols
  • Glossary
  • References
  • Index
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