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Author: Aladdin Mahmūd Yaqūb
Publisher: Oxford University Press, USA
ISBN: 0195083431
Category : Liar paradox
Languages : en
Pages : 164
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Book Description
In this book, Aladdin M. Yaqub describes a simple conception of truth and shows that it yields a semantical theory that accommodates the whole range of our seemingly conflicting intuitions about truth. Yaqub's conception takes the Tarskian biconditionals (such as "The sentence 'Johannes loved Clara' is true if and only if Johannes loved Clara") as correctly and completely defining the notion of truth. The semantical theory, which is called the revision theory, that emerges from this conception paints a metaphysical picture of truth as a property whose applicability is given by a revision process rather than by a fixed extension. The main advantage of this revision process is its ability to explain why truth seems in many cases almost redundant, in others substantial, and yet in others paradoxical (as in the famous Liar). Yaqub offers a comprehensive defense of the revision theory of truth by developing consistent and adequate formal semantics for languages in which all sorts of problematic sentences (Liar and company) can be constructed. He also gives a detailed critical exposition of the proposals of Herzberger, Gupta, and Belnap. Yaqub concludes by introducing a logic of truth that further demonstrates the adequacy of the revision theory. The Liar Speaks the Truth starts with a basic and intuitive understanding of the notion of truth and ends with a complex logic of truth. The book will interest students of logic, truth theory, formal semantics, and philosophy of language.
Author: Aladdin Mahmūd Yaqūb
Publisher: Oxford University Press, USA
ISBN: 0195083431
Category : Liar paradox
Languages : en
Pages : 164
Get Book Here
Book Description
In this book, Aladdin M. Yaqub describes a simple conception of truth and shows that it yields a semantical theory that accommodates the whole range of our seemingly conflicting intuitions about truth. Yaqub's conception takes the Tarskian biconditionals (such as "The sentence 'Johannes loved Clara' is true if and only if Johannes loved Clara") as correctly and completely defining the notion of truth. The semantical theory, which is called the revision theory, that emerges from this conception paints a metaphysical picture of truth as a property whose applicability is given by a revision process rather than by a fixed extension. The main advantage of this revision process is its ability to explain why truth seems in many cases almost redundant, in others substantial, and yet in others paradoxical (as in the famous Liar). Yaqub offers a comprehensive defense of the revision theory of truth by developing consistent and adequate formal semantics for languages in which all sorts of problematic sentences (Liar and company) can be constructed. He also gives a detailed critical exposition of the proposals of Herzberger, Gupta, and Belnap. Yaqub concludes by introducing a logic of truth that further demonstrates the adequacy of the revision theory. The Liar Speaks the Truth starts with a basic and intuitive understanding of the notion of truth and ends with a complex logic of truth. The book will interest students of logic, truth theory, formal semantics, and philosophy of language.
Author: Gary Paulsen
Publisher: Yearling
ISBN: 0375866116
Category : Juvenile Fiction
Languages : en
Pages : 130
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Book Description
Kevin doesn't mean to make trouble when he lies. He's just really good at it, and it makes life so much easier. But as his lies pile up, he finds himself in big—and funny—trouble with his friends, family, and teachers. He's got to find a way to end his lying streak—forever.
Author: Jon Barwise
Publisher: Oxford University Press
ISBN: 0195059441
Category : Language Arts & Disciplines
Languages : en
Pages : 207
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Book Description
Bringing together powerful new tools from set theory and the philosophy of language, this book proposes a solution to one of the few unresolved paradoxes from antiquity, the Paradox of the Liar. Barwise and Etchemendy model and compare Russellian and Austinian conceptions of propositions, and develop a range of model-theoretic techniques--based on Aczel's work--that open up new avenues in logical and formal semantics.
Author: Thomas L. Carson
Publisher: OUP Oxford
ISBN: 0191614645
Category : Philosophy
Languages : en
Pages : 304
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Book Description
Thomas Carson offers the most comprehensive and up-to-date investigation of moral and conceptual questions about lying and deception. Part I addresses conceptual questions and offers definitions of lying, deception, and related concepts such as withholding information, "keeping someone in the dark," and "half truths." Part II deals with questions in ethical theory. Carson argues that standard debates about lying and deception between act-utilitarians and their critics are inconclusive because they rest on appeals to disputed moral intuitions. He defends a version of the golden rule and a theory of moral reasoning. His theory implies that there is a moral presumption against lying and deception that causes harm — a presumption at least as strong as that endorsed by act-utilitarianism. He uses this theory to justify his claims about the issues he addresses in Part III: deception and withholding information in sales, deception in advertising, bluffing in negotiations, the duties of professionals to inform clients, lying and deception by leaders as a pretext for fighting wars, and lying and deception about history (with special attention to the Holocaust), and cases of distorting the historical record by telling half-truths. The book concludes with a qualified defence of the view that honesty is a virtue.
Author: Shahid Rahman
Publisher: Springer Science & Business Media
ISBN: 1402084684
Category : Philosophy
Languages : en
Pages : 351
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Book Description
Andinmy haste, I said: “Allmenare Liars” 1 —Psalms 116:11 The Original Lie Philosophical analysis often reveals and seldom solves paradoxes. To quote Stephen Read: A paradox arises when an unacceptable conclusion is supported by a plausible argument from apparently acceptable premises. [...] So three di?erent reactions to the paradoxes are possible: to show that the r- soning is fallacious; or that the premises are not true after all; or that 2 the conclusion can in fact be accepted. There are sometimes elaborate ways to endorse a paradoxical conc- sion. One might be prepared to concede that indeed there are a number of grains that make a heap, but no possibility to know this number. However, some paradoxes are more threatening than others; showing the conclusiontobeacceptableisnotaseriousoption,iftheacceptanceleads to triviality. Among semantic paradoxes, the Liar (in any of its versions) 3 o?ers as its conclusion a bullet no one would be willing to bite. One of the most famous versions of the Liar Paradox was proposed by Epimenides, though its attribution to the Cretan poet and philosopher has only a relatively recent history. It seems indeed that Epimenides was mentioned neither in ancient nor in medieval treatments of the Liar 1 Jewish Publication Society translation. 2 Read [1].
Author: Bradley Armour-Garb
Publisher: Oxford University Press
ISBN: 0190672277
Category : Philosophy
Languages : en
Pages : 401
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Book Description
In recent years there have been a number of books-both anthologies and monographs-that have focused on the Liar Paradox and, more generally, on the semantic paradoxes, either offering proposed treatments to those paradoxes or critically evaluating ones that occupy logical space. At the same time, there are a number of people who do great work in philosophy, who have various semantic, logical, metaphysical and/or epistemological commitments that suggest that they should say something about the Liar Paradox, yet who have said very little, if anything, about that paradox or about the extant projects involving it. The purpose of this volume is to afford those philosophers the opportunity to address what might be described as reflections on the Liar.
Author: Robert Feldman
Publisher: Twelve
ISBN: 0446552194
Category : Psychology
Languages : en
Pages : 179
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Book Description
In The Liar in Your Life, psychology professor Robert Feldman, one of the world's leading authorities on deception, draws on his immense body of knowledge to give fresh insights into how and why we lie, how our culture has become increasingly tolerant of deception, the cost it exacts on us, and what to do about it. His work is at once surprising and sobering, full of corrections for common myths and explanations of pervasive oversimplifications. Feldman examines marital infidelity, little white lies, career-driven resumé lies, and how we teach children to lie. Along the way, he reveals-despite our beliefs to the contrary- how it is nearly impossible to spot a liar (studies have shown no relationship between nervousness, lack of eye contact, or a trembling voice, and acts of deception). He also provides startling evidence of just how integral lying is to our culture; indeed, his research shows that two people, meeting for the first time, will lie to each other an average of three times in the first ten minutes of a conversation. Feldman uses this discussion of deception to explore ways we can cope with infidelity, betrayal, and mistrust, in our friends and family. He also describes the lies we tell ourselves: Sometimes, the liar in your life is the person you see in the mirror. With incisive clarity and wry wit, Feldman has written a truthful book for anyone who whose life has been touched by deception.
Author: Aladdin M. Yaq̄ub
Publisher:
ISBN: 9780197730751
Category : Liar paradox
Languages : en
Pages : 0
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Book Description
The concept of truth has been the focus of much attention in philosophical literature, but has resisted adequate explanation. This study explores a "deflationary" or "minimalist" account of truth that can account for the challenge posed by semantic paradoxes such as the liar.
Author: JC Beall
Publisher: OUP Oxford
ISBN: 0191528501
Category : Philosophy
Languages : en
Pages : 384
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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: Christine Schurz
Publisher: Walter de Gruyter
ISBN: 311032458X
Category : Philosophy
Languages : en
Pages : 145
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Book Description
The problem of truth and the liar paradox is one of the most extensive problems of philosophy. The liar paradox can be avoided by assuming a so-called theory of partial truth instead of a classical theory of truth. Theories of partial truth, however, cannot solve the so-called strengthened liar paradox, which is the problem that many semantic statements about the so-called strengthened liar cannot be true in a theory of partial truth. If such semantic statements were true in the theory, another paradox would emerge. To proponents of contextual accounts, which assume that the concept of truth is context-dependent, the strengthened liar paradox is the core of the liar problem. This book provides an overview of current contextual approaches to the strengthened liar paradox. For this purpose, the author investigates formal theories of truth that result from formal reconstructions of such contextual approaches.
