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Author: JC Beall Publisher: OUP Oxford ISBN: 0191528501 Category : Philosophy Languages : en Pages : 384
Book Description
The Liar paradox raises foundational questions about logic, language, and truth (and semantic notions in general). A simple Liar sentence like 'This sentence is false' appears to be both true and false if it is either true or false. For if the sentence is true, then what it says is the case; but what it says is that it is false, hence it must be false. On the other hand, if the statement is false, then it is true, since it says (only) that it is false. How, then, should we classify Liar sentences? Are they true or false? A natural suggestion would be that Liars are neither true nor false; that is, they fall into a category beyond truth and falsity. This solution might resolve the initial problem, but it beckons the Liar's revenge. A sentence that says of itself only that it is false or beyond truth and falsity will, in effect, bring back the initial problem. The Liar's revenge is a witness to the hydra-like nature of Liars: in dealing with one Liar you often bring about another. JC Beall presents fourteen new essays and an extensive introduction, which examine the nature of the Liar paradox and its resistance to any attempt to solve it. Written by some of the world's leading experts in the field, the papers in this volume will be an important resource for those working in truth studies, philosophical logic, and philosophy of language, as well as those with an interest in formal semantics and metaphysics.
Author: JC Beall Publisher: OUP Oxford ISBN: 0191528501 Category : Philosophy Languages : en Pages : 384
Book Description
The Liar paradox raises foundational questions about logic, language, and truth (and semantic notions in general). A simple Liar sentence like 'This sentence is false' appears to be both true and false if it is either true or false. For if the sentence is true, then what it says is the case; but what it says is that it is false, hence it must be false. On the other hand, if the statement is false, then it is true, since it says (only) that it is false. How, then, should we classify Liar sentences? Are they true or false? A natural suggestion would be that Liars are neither true nor false; that is, they fall into a category beyond truth and falsity. This solution might resolve the initial problem, but it beckons the Liar's revenge. A sentence that says of itself only that it is false or beyond truth and falsity will, in effect, bring back the initial problem. The Liar's revenge is a witness to the hydra-like nature of Liars: in dealing with one Liar you often bring about another. JC Beall presents fourteen new essays and an extensive introduction, which examine the nature of the Liar paradox and its resistance to any attempt to solve it. Written by some of the world's leading experts in the field, the papers in this volume will be an important resource for those working in truth studies, philosophical logic, and philosophy of language, as well as those with an interest in formal semantics and metaphysics.
Author: Anil Gupta Publisher: MIT Press ISBN: 9780262071444 Category : Mathematics Languages : en Pages : 334
Book Description
In this rigorous investigation into the logic of truth Anil Gupta and Nuel Belnap explain how the concept of truth works in both ordinary and pathological contexts. The latter include, for instance, contexts that generate Liar Paradox. Their central claim is that truth is a circular concept. In support of this claim they provide a widely applicable theory (the "revision theory") of circular concepts. Under the revision theory, when truth is seen as circular both its ordinary features and its pathological features fall into a simple understandable pattern. The Revision Theory of Truth is unique in placing truth in the context of a general theory of definitions. This theory makes sense of arbitrary systems of mutually interdependent concepts, of which circular concepts, such as truth, are but a special case.
Author: Hartry Field Publisher: OUP Oxford ISBN: 0191528161 Category : Philosophy Languages : en Pages : 432
Book Description
Saving Truth from Paradox is an ambitious investigation into paradoxes of truth and related issues, with occasional forays into notions such as vagueness, the nature of validity, and the Gödel incompleteness theorems. Hartry Field presents a new approach to the paradoxes and provides a systematic and detailed account of the main competing approaches. Part One examines Tarski's, Kripke’s, and Lukasiewicz’s theories of truth, and discusses validity and soundness, and vagueness. Part Two considers a wide range of attempts to resolve the paradoxes within classical logic. In Part Three Field turns to non-classical theories of truth that that restrict excluded middle. He shows that there are theories of this sort in which the conditionals obey many of the classical laws, and that all the semantic paradoxes (not just the simplest ones) can be handled consistently with the naive theory of truth. In Part Four, these theories are extended to the property-theoretic paradoxes and to various other paradoxes, and some issues about the understanding of the notion of validity are addressed. Extended paradoxes, involving the notion of determinate truth, are treated very thoroughly, and a number of different arguments that the theories lead to "revenge problems" are addressed. Finally, Part Five deals with dialetheic approaches to the paradoxes: approaches which, instead of restricting excluded middle, accept certain contradictions but alter classical logic so as to keep them confined to a relatively remote part of the language. Advocates of dialetheic theories have argued them to be better than theories that restrict excluded middle, for instance over issues related to the incompleteness theorems and in avoiding revenge problems. Field argues that dialetheists’ claims on behalf of their theories are quite unfounded, and indeed that on some of these issues all current versions of dialetheism do substantially worse than the best theories that restrict excluded middle.
Author: Keith Simmons Publisher: Oxford University Press ISBN: 0198791542 Category : Language Arts & Disciplines Languages : en Pages : 260
Book Description
This book aims to provide a solution to the semantic paradoxes. It argues for a unified solution to the paradoxes generated by our concepts of denotation, predicate extension, and truth. The solution makes two main claims. The first is that our semantic expressions 'denotes', 'extension' and 'true' are context-sensitive. The second, inspired by a brief, tantalizing remark of Godel's, is that these expressions are significant everywhere except for certain singularities, in analogy with division by zero. A formal theory of singularities is presented and applied to a wide variety of versions of the definability paradoxes, Russell's paradox, and the Liar paradox. Keith Simmons argues that the singularity theory satisfies the following desiderata: it recognizes that the proper setting of the semantic paradoxes is natural language, not regimented formal languages; it minimizes any revision to our semantic concepts; it respects as far as possible Tarski's intuition that natural languages are universal; it responds adequately to the threat of revenge paradoxes; and it preserves classical logic and semantics. Simmons draws out the consequences of the singularity theory for deflationary views of our semantic concepts, and concludes that if we accept the singularity theory, we must reject deflationism.
Author: Jc Beall Publisher: OUP Oxford ISBN: 0191613738 Category : Philosophy Languages : en Pages : 169
Book Description
Among the various conceptions of truth is one according to which 'is true' is a transparent, entirely see-through device introduced for only practical (expressive) reasons. This device, when introduced into the language, brings about truth-theoretic paradoxes (particularly, the notorious Liar and Curry paradoxes). The options for dealing with the paradoxes while preserving the full transparency of 'true' are limited. In Spandrels of Truth, Beall concisely presents and defends a modest, so-called dialetheic theory of transparent truth.
Author: Lisa Roecker Publisher: Sourcebooks, Inc. ISBN: 1402285949 Category : Juvenile Fiction Languages : en Pages : 288
Book Description
Praise for The Liar Society: "A page-turning, pearl-clutching mystery!"—Kimberly Derting, author of The Body Finder and Desires of the Dead "A book for mystery lovers everywhere...will suck you in and leave you hanging until the very end."—RT Book Reviews Katie Lowry knows she could've stopped Alistair from doing something stupid if only she'd picked up the phone. Now she has to live with the guilt. She's sick of the lies, sick of the secret societies that rule life at Pemberly Brown Academy. But there's only one way to take them down: from the inside...
Author: Tina Patch Publisher: ISBN: Category : Languages : en Pages : 110
Book Description
The BEST Revenge is the true story about best friends who became their own worst enemies. Tina and Melissa, were close friends for over 37 years, until Melissa's illegal and unethical behavior spun out of control. Facing false accusations, Tina was forced to fight for her reputation and freedom. Devastated from the ultimate betrayal, Tina dug deep to find the strength to overcome the vicious attacks and expose the truth.
Author: Keith Simmons Publisher: Cambridge University Press ISBN: 0521430690 Category : Philosophy Languages : en Pages : 250
Book Description
This book is about one of the most baffling of all paradoxes--the famous Liar paradox. Suppose we say: "We are lying now." Then if we are lying, we are telling the truth; and if we are telling the truth we are lying. This paradox is more than an intriguing puzzle, since it involves the concept of truth. Thus any coherent theory of truth must deal with the Liar. Keith Simmons discusses the solutions proposed by medieval philosophers and offers his own solutions and in the process assesses other contemporary attempts to solve the paradox. Unlike such attempts, Simmons' "singularity" solution does not abandon classical semantics and does not appeal to the kind of hierarchical view found in Barwise's and Etchemendy's The Liar. Moreover, Simmons' solution resolves the vexing problem of semantic universality--the problem of whether there are semantic concepts beyond the expressive reach of a natural language such as English.
Author: Susan Forward Publisher: Harper Collins ISBN: 0060931159 Category : Self-Help Languages : en Pages : 244
Book Description
Have you ever been lied to by a lover? In this straightforward and supportive book, therapist Susan Forward profiles the wide variety of liars, shows you how to deal with the lies -- from the benign to the lethal -- that these men spin, and gives practical strategies to stop them before they ruin your relationship and, ultimately, your life. Once you find out the truth about your lover and his lies, what do you do? Forward offers practical, proven, step-by-step methods for healing the wounds caused by his deception and betrayal. She provides all the communication and behavioral techniques you need to deal with a lover's lies, telling you exactly what to say, when and how to respond to his reactions, and how to present your requirements for staying in the relationship. With understanding and compassion, she helps you decide whether your relationship can be saved and shows you how to move beyond doubt and regret if you feel that it can't. But whether you stay or go, you can learn to love and trust again.
Author: Graham Priest Publisher: Oxford University Press ISBN: 0199263280 Category : Philosophy Languages : en Pages : 239
Book Description
"The book is required reading for anyone who wishes to understand dialetheism; (especially) for anyone who wishes to continue to endorse the old Aristotelian orthodoxy; and, more generally, for anyone who wishes to understand the role that contradiction plays in our thinking."--BOOK JACKET.
Author: JC Beall
Author: JC Beall
Author: Anil Gupta
Author: Hartry Field
Author: Keith Simmons
Author: Jc Beall
Author: Lisa Roecker
Author: Tina Patch
Author: Keith Simmons
Author: Susan Forward
Author: Graham Priest