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Zusatztext continued........... excellent introduction by JC Beall. . . . As a survey of a difficult subject, Beall's introduction is a tour-de-force and should be required reading for anyone interested in true contradictions or the philosophy of logic more generally. . . . once one views dialetheism as a natural companion to other, supposedly more 'traditional' views such as classicism, intuitionism, and gappy logics, one wonders why it has taken so long for such an excellent volume to appear. Klappentext The Law of Non-Contradiction -- that no contradiction can be true -- has been a seemingly unassailable dogma since the work of Aristotle, in Book G of the Metaphysics. It is an assumption challenged from a variety of angles in this collection of original papers. Twenty-three of the world'sleading experts investigate the "law," considering arguments for and against it and discussing methodological issues that arise whenever we question the legitimacy of logical principles. The result is a balanced inquiry into a venerable principle of logic, one that raises questions at the verycenter of logic itself. The aim of this volume is to present a comprehensive debate about the Law of Non-Contradiction, from discussions as to how the law is to be understood, to reasons for accepting or re-thinking the law, and to issues that raise challenges to the law, such as the Liar Paradox, and a "dialetheic"resolution of that paradox. The editors contribute an introduction which surveys the issues and serves to frame the debate, and a useful bibliography offering a guide to further reading. This volume will be of interest to anyone working on philosophical logic, and to anyone who has ever wondered about the status of logical laws and about how one might proceed to mount arguments for or against them. Zusammenfassung Aims to present a debate about the Law of Non-Contradiction, from discussions as to how the law is to be understood, to reasons for accepting or re-thinking the law. This volume investigates the 'law', considering arguments for and against it, and discusses methodological issues that arise whenever we question the legitimacy of logical principles. Inhaltsverzeichnis Introduction: At the Intersection of Truth and Falsity Part I: Setting up the Debate 1: Graham Priest: What's So Bad About Contradictions? Part II: What is the LNC? 2: Ross T. Brady: On the Formalization of the Law of Non-Contradiction 3: Patrick Grim: What is a Contradiction? 4: Greg Restall: Laws of Non-Contradiction, Laws of the Excluded Middle, and Logics 5: R. M. Sainsbury: Option Negation and Dialetheias 6: Achille C. Varzi: Conjunction and Contradiction Part III: Methodological Issues in the Debate 7: Bradley Armour-Garb: Diagnosing Dialetheism 8: Bryson Brown: Knowledge and Non-Contradiction 9: Otavio Bueno and Mark Colyvan: Logical Non-Apriorism and the 'Law' of Non-Contradiction 10: David Lewis: Letters to Beall and Priest 11: Michael D. Resnik: Holism and the Revision of Logic Part IV: Against the LNC 12: JC Beall: True and False - As If 13: Jon Cogburn: The Philosophical Basis of What? The Anti-Realist Route to Dialetheism 14: Jay Garfield: To Pee and not to Pee? Could That Be the Question? (Further Reflections of the Dog) 15: Frederick Kroon: Realism and Dialetheism 16: Edwin D. Mares: Semantic Dialetheism 17: Vann McGee: Ramsey's Dialetheism Part V: For the LNC 18: Laurence Goldstein: The Barber, Russell's Paradox, Catch-22, God, Contradiction, and More 19: Greg Littman and Keith Simmons: A Critique of Dialetheism 20: Stewart Shapiro: Simple Truth, Contradiction, and Consistency 21: Neil Tennant: An Anti-Realist Critique of Dialetheism 22: Alan Weir: There Are No True Contradictions 23: Edward N. Zalta: In Defence of the Law of Non-Contradiction ...