Results 21 to 30 of about 77,874 (289)

A specialization of definitions in common knowledge logic

open access: yesLietuvos Matematikos Rinkinys, 2011
It is known that one of main aims of specializations of derivations in nonclassical logics is the various tools which allow us to simplify the searching of termination of derivations.
Aurimas Paulius Girčys   +1 more
doaj   +1 more source

Logic as a Puzzle-Solving Activity

open access: yesAnálisis Filosófico, 2021
Some authors have recently argued in favor of anti-exceptionalism about logic. The general idea is that logic is not different from the other sciences, and its principles are as revisable as scientific principles. This paper has three sections.
Diego Tajer
doaj   +1 more source

To teach logic to prospective mathematics teachers (Part III) [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Серия Философия. Психология. Педагогика, 2022
Introduction. The article is the third part of the author’s article under the same title published in previous issues of this journal. It discusses the problem of forming the logical competencies of future mathematics teachers both at the undergraduate ...
Igoshin, Vladimir Ivanovich
doaj   +1 more source

Many-valued logics. A mathematical and computational introduction. [PDF]

open access: yes, 2020
2nd edition. Many-valued logics are those logics that have more than the two classical truth values, to wit, true and false; in fact, they can have from three to infinitely many truth values.
Augusto, Luis M.
core  

Complexity results for modal logic with recursion via translations and tableaux [PDF]

open access: yesLogical Methods in Computer Science
This paper studies the complexity of classical modal logics and of their extension with fixed-point operators, using translations to transfer results across logics. In particular, we show several complexity results for multi-agent logics via translations
Luca Aceto   +4 more
doaj   +1 more source

The empirical study of norms is just what we are missing

open access: yesFrontiers in Psychology, 2014
This paper argues that the goals people have when reasoning determine their own norms of reasoning. A radical descriptivism which avoids norms never worked for any science; nor can it work for the psychology of reasoning. Norms as we understand them are
Theodora eAchourioti   +2 more
doaj   +1 more source

On Middles and Thirds

open access: yesComputer Sciences & Mathematics Forum, 2023
The purpose of this paper is to revisit the concepts of a third in logic and philosophy that have existed since antiquity, widely separated in time and space, but expressing what we consider a higher level of understanding, without going outside the ...
Joseph Brenner, Zhensong Wang
doaj   +1 more source

Harnessing Higher-Order (Meta-)Logic to Represent and Reason with Complex Ethical Theories [PDF]

open access: yes, 2019
The computer-mechanization of an ambitious explicit ethical theory, Gewirth's Principle of Generic Consistency, is used to showcase an approach for representing and reasoning with ethical theories exhibiting complex logical features like alethic and ...
A Gewirth   +16 more
core   +2 more sources

Contraction-free calculi for modal logics S5 and KD45

open access: yesLietuvos Matematikos Rinkinys, 2011
It is known that termination and backtracking are among the most important problems in constructing derivations in non-classical logics. In this paper contractionfree and backtracking-free sequent calculi for modal logics S5 and KD45 are presented and ...
Julius Andrikonis   +1 more
doaj   +1 more source

Da Costa on ontology: a naturalistic interpretation

open access: yesManuscrito, 2011
Da Costa's conception of being modifies that of Quine to incorporate relativization to non-classical logics. A naturalistic view of this conception is discussed. This view tries to extend to logic some ideas of Maddy's naturalism concerning mathematics.
Antonio Mariano Nogueira Coelho
doaj   +1 more source

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