Results 21 to 30 of about 506,932 (281)

On the Concept of a Notational Variant [PDF]

open access: yes, 2017
In the study of modal and nonclassical logics, translations have frequently been employed as a way of measuring the inferential capabilities of a logic.
C Caleiro   +14 more
core   +1 more source

Typed realizability for first-order classical analysis [PDF]

open access: yesLogical Methods in Computer Science, 2015
We describe a realizability framework for classical first-order logic in which realizers live in (a model of) typed {\lambda}{\mu}-calculus.
Valentin Blot
doaj   +1 more source

The validity degree vectors of formulae in two-valued predicate logic [PDF]

open access: yesInternational Journal of Computational Intelligence Systems, 2015
By means of infinite product of uniformly distributed probability spaces of cardinal , the concept of -validity degrees and validity degree vectors of formulae in two-valued predicate logic are introduced. It is proved that the validity degree vectors of
Xiaoyan Qin, Yang Xu, Yi Liu
doaj   +1 more source

Classical first-order logic

open access: yesEducation and Research Archive, 2020
The first sequent calculus, LK is the example after which many other calculi have been fashioned. We describe this calculus, prove its equivalence to the axiom system K, and provide a sound and complete interpretation too. A major part of Section 2.3 is a presentation of the proof of the cut theorem using triple induction.
openaire   +3 more sources

Intuitionistic completeness for first order classical logic [PDF]

open access: yesJournal of Symbolic Logic, 1999
AbstractIn the past sixty years or so, a real forest of intuitionistic models for classical theories has grown. In this paper we will compare intuitionistic models of first order classical theories according to relevant issues, like completeness (w.r.t.
openaire   +3 more sources

Completeness for the Classical Antecedent Fragment of Inquisitive First-Order Logic [PDF]

open access: yesJournal of Logic, Language and Information, 2021
AbstractInquisitive first order logic "Equation missing" is an extension of first order classical logic, introducing questions and studying the logical relations between questions and quantifiers. It is not known whether "Equation missing" is recursively axiomatizable, even though an axiomatization has been found for fragments of the logic (Ciardelli ...
openaire   +3 more sources

Logical operators for ontological modeling [PDF]

open access: yes, 2014
We show that logic has more to offer to ontologists than standard first order and modal operators. We first describe some operators of linear logic which we believe are particularly suitable for ontological modeling, and suggest how ...
Borgo, Stefano   +2 more
core   +1 more source

Independence and games

open access: yesPhilosophia Scientiæ, 2005
Hintikka and Sandu have developed IF logic as a genuine alternative to classical first-order logic : liberalizing dependence schemas between quantifiers, IF would carry out all the ideas already underlying classical logic.
Denis Bonnay
doaj   +1 more source

Admissibility, compatibility, and deducibility in first-order sequent logics [PDF]

open access: yesComputer Science Journal of Moldova, 2015
The paper is about the notions of admissibility and compatibility and their significance for deducibility in different sequent logics including first-order classical and intuitionistic ones both without and with equality and, possibly, with modal rules.
Alexander Lyaletski
doaj  

Game Semantics in Teaching of Classical First Order Predicate Logic to Stu- dents of Computer Science

open access: yesMATEC Web of Conferences, 2018
Game-theoretical interpretation of logical semantics has been first suggested in 1950s. Although it is well know among professionals, it is often excluded from introductory courses in logic.
Glivická Jana
doaj   +1 more source

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