Results 81 to 90 of about 5,275 (212)

Negation and Dichotomy [PDF]

open access: yes, 2009
The present contribution might be regarded as a kind of defense of the common sense in logic. It is demonstrated that if the classical negation is interpreted as the minimal negation with n = 2 truth values, then deviant logics can be conceived as ...
Schang, Fabien
core   +1 more source

What Do Paraconsistent, Undecidable, Random, Computable and Incomplete mean? A Review of Godel's Way: Exploits into an undecidable world by Gregory Chaitin, Francisco A Doria, Newton C.A. da Costa 160p (2012) (review revised 2019) [PDF]

open access: yes, 2019
In ‘Godel’s Way’ three eminent scientists discuss issues such as undecidability, incompleteness, randomness, computability and paraconsistency. I approach these issues from the Wittgensteinian viewpoint that there are two basic issues which have ...
Starks, Michael
core  

Belief Revision in Science: Informational Economy and Paraconsistency [PDF]

open access: yes, 2017
In the present paper, our objective is to examine the application of belief revision models to scientific rationality. We begin by considering the standard model AGM, and along the way a number of problems surface that make it seem inadequate for this ...
Coimbra, Daniel
core  

The ubiquity of conservative translations

open access: yes, 2012
We study the notion of conservative translation between logics introduced by Feitosa and D'Ottaviano. We show that classical propositional logic (CPC) is universal in the sense that every finitary consequence relation over a countable set of formulas can
da Silva   +8 more
core   +1 more source

BOOK REVIEW: CARNIELLI, Walter & MALINOWSKI, Jacek (eds.). Contradictions, from Consistency to Inconsistency (Trends in Logic 47, Springer International Publishing, 2018, VI+322 pages)

open access: yesManuscrito, 2019
In this review I briefly analyse the main elements of each chapter of the book centred in the general areas of logic, epistemology, philosophy and history of science.
RAFAEL R. TESTA
doaj   +1 more source

Normality Operators and Classical Collapse [PDF]

open access: yes, 2018
In this paper, we extend the expressive power of the logics K3, LP and FDE with anormality operator, which is able to express whether a for-mula is assigned a classical truth value or not.
Carrara, Massimiliano, Ciuni, Roberto
core  

A Geometric Interpretation of the Neutrosophic Set - A Generalization of the Intuitionistic Fuzzy Set

open access: yes, 2011
In this paper we generalize the intuitionistic fuzzy set (IFS), paraconsistent set, and intuitionistic set to the neutrosophic set (NS). Several examples are presented.
Smarandache, Florentin
core   +1 more source

Logic and Ontology

open access: yesPrincipia: An International Journal of Epistemology, 2002
In view of the present state of development of non classical logic, especially of paraconsistent logic, a new stand regarding the relations between logic and ontology is defended In a parody of a dictum of Quine, my stand May be summarized as follows. To
Newton C. A. da Costa
doaj  

The role of consistency in empirical science

open access: yesManuscrito, 2011
Any inconsistent theory whose underlying logic is classical encompasses all the sentences of its own language. As it denies everything it asserts, it is useless for explaining or predicting anything.
Jesús Mosterín
doaj   +1 more source

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