The book presents a thoroughly elaborated logical theory of generalized truth-values understood as subsets of some established set of (basic) truth values. After elucidating the importance of the very notion of a truth value in logic and philosophy, we examine some possible ways of generalizing this notion. The useful four-valued logic of first-degree entailment by Nuel Belnap and the notion of a bilattice (a lattice of truth values with two ordering relations) constitute the basis for further generalizations. By doing so we elaborate the idea of a multilattice, and most notably, a trilattice of truth values – a specific algebraic structure with information ordering and two distinct logical orderings, one for truth and another for falsity. Each logical order not only induces its own logical vocabulary, but determines also its own entailment relation. We consider both semantic and syntactic ways of formalizing these relations and construct various logical calculi.
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Table of Content
1 Truth Values 2 Truth Values and the Slingshot Argument 3 Generalized Truth Values: From FOUR2 to SIXTEEN3 4 Generalized Truth Values: SIXTEEN3 and Beyond Axiom Systems for Trilattice Logics Sequent Systems for Trilattice Logics Intuitionistic Trilattice Logics Generalized Truth Values and Many-valued Logics: Harmonious Many-valued Logics . Generalized Truth Values and Many-valued Logics: Suszko’s Thesis Further Developments References Index
Language English ● Format PDF ● Pages 250 ● ISBN 9789400709072 ● File size 4.4 MB ● Publisher Springer Netherland ● City Dordrecht ● Country NL ● Published 2011 ● Downloadable 24 months ● Currency EUR ● ID 2246849 ● Copy protection Social DRM
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