Constructive Negations and Paraconsistency
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Beschreibung
This book presents the author’s recent investigations of the two main concepts of negation developed in the constructive logic: the negation as reduction to absurdity (L.E.J. Brouwer) and the strong negation (D. Nelson) are studied in the setting of paraconsistent logic.
The paraconsistent logics are those, which admit inconsistent but non-trivial theories, i.e., the logics which allow making inferences in non-trivial fashion from an inconsistent set of hypotheses. Logics in which all inconsistent theories are trivial are called explosive. In the intuitionistic logic Li, the negation is defined as reduction to absurdity. The concept of strong negation is realized in the Nelson logic N3. Both logics are explosive and have paraconsistent analogs: Johansson’s logic Lj and paraconsistent Nelson’s logic N4. It will be shown that refusing the explosion axiom "contradiction implies everything" does not lead to decrease of the expressive power of a logic. To understand, which new expressive possibilities have the logics Lj and N4 as compared to the explosive logics Li and N3, we study the lattices of extensions of the logics Lj and N4. This is the first case when lattices of paraconsistent logics are systematically investigated. The study is based on algebraic methods, demonstrates the remarkable regularity and the similarity of structures of both lattices of logics, and gives essential information on the paraconsistent nature of logics Lj and N4.
The methods developed in this book can be applied for investigation of other classes of paraconsistent logics.
Is the first book in the field of paraconsistent logic devoted to the study of lattices of logics. Studying not particlar systems but classes of logics is one of the most important features of modern non-classical logic Studies two main concepts of constructive negation in the setting of paraconsistent logic Is the first book containing systematic and transparent presentation of algebraic semantics for logics with strong negation Develops methods which could be applied to other classes of paraconsistent logic
Autor*in
Sergei Odintsov
Themen in »Constructive Negations and Paraconsistency«
Lattice of logics Minimal logic Nelson's logic Paraconsistency Strong negation logic
Stimmen zu »Constructive Negations and Paraconsistency«
From the reviews:
“This book is much more than a collection of papers, everything has been organized very smoothly and it forms a coherent whole about the study of a big class of logics. The presentation of this systematic work in a book is a very good point. It will turn research on paraconsistent logic and negation more accessible. This kind of book can easily be used as a textbook for advanced courses. It is clearly written, gathering a variety of scattered concepts and results.” (Jean-Yves Beziau, Studia Logica, Vol. 100, 2012)
"This is the first book-length algebraic study of constructive paraconsistent logics. … The monograph under review has a very clear structure. … This monograph is indispensable for anybody interested in the algebraic study of constructive paraconsistent logics in particular, but it is also most rewarding for anyone interested in non-classical logics in general." (Heinrich Wansing, Zentralblatt MATH, Vol. 1161, 2009)
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