Results 31 to 40 of about 806,990 (259)

Incoherency Problems in a Combination of Description Logics and Rules

open access: yesJournal of Applied Mathematics, 2014
A paraconsistent semantics has been presented for hybrid MKNF knowledge bases—a combination method for description logics and rules. However, it is invalid when incoherency occurs in the knowledge base. In this paper, we introduce a semi-S5 semantics for
Shasha Huang, Jing Hao, Dang Luo
doaj   +1 more source

Nicolai Vasiliev’s Imaginary Logic and Semantic Foundations for the Logic of Assent

open access: yesPhilosophia Scientiæ, 2014
The Russian philosopher Nicolai Vasiliev is known as a forerunner of substantially non-classical logics, i.e., logics that differ from classical logic by dropping principles that are sound in classical logic.
Werner Stelzner
doaj   +1 more source

Tableau method of proof for Peirce’s three-valued propositional logic

open access: yesFilosofia Unisinos, 2022
Peirce’s triadic logic has been under discussion since its discovery in the 1960s by Fisch and Turquette. The experiments with matrices of three-valued logic are recorded in a few pages of unpublished manuscripts dated 1909, a decade before similar ...
José Renato Salatiel
doaj   +1 more source

Two Kinds of Logical Impossibility

open access: yesNoûs, Volume 54, Issue 4, Page 795-806, December 2020., 2020
Abstract In this paper, we argue that a distinction ought to be drawn between two ways in which a given world might be logically impossible. First, a world w might be impossible because the laws that hold at w are different from those that hold at some other world (say the actual world).
Alexander Sandgren, Koji Tanaka
wiley   +1 more source

TWO-VALUED WEAK KLEENE LOGICS

open access: yesManuscrito, 2019
In the literature, Weak Kleene logics are usually taken as three-valued logics. However, Suszko has challenged the main idea of many-valued logic claiming that every logic can be presented in a two-valued fashion.
BRUNO DA RÉ, DAMIAN SZMUC
doaj   +1 more source

Three decades of paraconsistent annotated logics: a review paper on some applications

open access: yesInternational Conference on Knowledge-Based Intelligent Information & Engineering Systems, 2019
In this expository work, we sketch some applications of annotated logics. Such logics were discovered in the late 1980s and nowadays have become one of the most fertile logics for applications.
J. Abe, K. Nakamatsu, J. I. S. Filho
semanticscholar   +1 more source

Ancestor Worship in The Logic of Games. How foundational were Aristotle's contributions?

open access: yesThe Baltic International Yearbook of Cognition, Logic and Communication, 2013
Notwithstanding their technical virtuosity and growing presence in mainstream thinking, game theoretic logics have attracted a sceptical question: "Granted that logic can be done game theoretically, but what would justify the idea that this is the ...
John Woods
doaj   +1 more source

Logics of formal inconsistency arising from systems of fuzzy logic

open access: yes, 2014
This paper proposes the meeting of fuzzy logic with paraconsistency in a very precise and foundational way. Specifically, in this paper we introduce expansions of the fuzzy logic MTL by means of primitive operators for consistency and inconsistency in ...
Coniglio, Marcelo   +2 more
core   +1 more source

Paracomplete logics which are dual to the paraconsistent logics L3A and L3B [PDF]

open access: yes, 2020
In 2016 Beziau, introduce a more restricted concept of paraconsistency, namely the genuine paraconsistency. He calls genuine paraconsistent logic those logic rejecting φ, ¬φ |- ψ and |- ¬(φ ∧ ¬φ).
Borja-Macı́as, Verónica   +2 more
core   +1 more source

Real Analysis in Paraconsistent Logic [PDF]

open access: yesJournal of Philosophical Logic, 2011
A logic \(S\) is paraconsistent if it lacks the rule ECQ (``ex contradictione quodlibet'', i.e., \(A,\lnot A\Rightarrow B\)) or, from another point of view, if inconsistent theories built upon \(S\) are not necessarily trivial (i.e., do not necessarily contain every well-formed formula). Paraconsistent mathematics is the development of mathematics in a
McKubre-Jordens, M, Weber, Z
openaire   +3 more sources

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