Results 21 to 30 of about 32,356 (302)

A Paradox for the Existence Predicate

open access: yesBulletin of the Section of Logic, 2022
In this paper, a paradox is shown to arise in the context of classical logic from prima facie highly plausible assumptions for the existence predicate as applied to definite descriptions.
Uwe Meixner
doaj   +1 more source

Bisimulation in Inquisitive Modal Logic [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2017
Inquisitive modal logic, InqML, is a generalisation of standard Kripke-style modal logic. In its epistemic incarnation, it extends standard epistemic logic to capture not just the information that agents have, but also the questions that they are ...
Ivano Ciardelli, Martin Otto
doaj   +1 more source

Systematic Verification of the Modal Logic Cube in Isabelle/HOL [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2015
We present an automated verification of the well-known modal logic cube in Isabelle/HOL, in which we prove the inclusion relations between the cube's logics using automated reasoning tools. Prior work addresses this problem but without restriction to the
Christoph Benzmüller   +2 more
doaj   +1 more source

Satisfiability vs. Finite Satisfiability in Elementary Modal Logics [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2012
We study elementary modal logics, i.e. modal logic considered over first-order definable classes of frames. The classical semantics of modal logic allows infinite structures, but often practical applications require to restrict our attention to finite ...
Jakub Michaliszyn   +2 more
doaj   +1 more source

An Arithmetically Complete Predicate Modal Logic

open access: yesBulletin of the Section of Logic, 2021
This paper investigates a first-order extension of GL called \(\textup{ML}^3\). We outline briefly the history that led to \(\textup{ML}^3\), its key properties and some of its toolbox: the \emph{conservation theorem}, its cut-free Gentzenisation, the ...
Yunge Hao, George Tourlakis
doaj   +1 more source

A comparative study of the position of ethics in the law of obligations in the legal system of Iran and France [PDF]

open access: yesاخلاق وحیانی, 2022
The relationship between ethics and law has long been a point of contention between jurists and philosophers. In general, there are two views, classical and modern; The first view implies that there is a fundamental difference between these two branches ...
Mostafa Harati
doaj   +1 more source

Duality Theory and Categorical Universal Logic: With Emphasis on Quantum Structures [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2014
Categorical Universal Logic is a theory of monad-relativised hyperdoctrines (or fibred universal algebras), which in particular encompasses categorical forms of both first-order and higher-order quantum logics as well as classical, intuitionistic, and ...
Yoshihiro Maruyama
doaj   +1 more source

Cut Elimination for Extended Sequent Calculi

open access: yesBulletin of the Section of Logic, 2023
We present a syntactical cut-elimination proof for an extended sequent calculus covering the classical modal logics in the \(\mathsf{K}\), \(\mathsf{D}\), \(\mathsf{T}\), \(\mathsf{K4}\), \(\mathsf{D4}\) and \(\mathsf{S4}\) spectrum.
Simone Martini   +2 more
doaj   +1 more source

Combining First-Order Classical and Intuitionistic Logic

open access: yesElectronic Proceedings in Theoretical Computer Science, 2022
In Proceedings NCL 2022, arXiv:2204 ...
Toyooka, Masanobu, Sano, Katsuhiko
openaire   +2 more sources

On the Succinctness of Atoms of Dependency [PDF]

open access: yesLogical Methods in Computer Science, 2019
Propositional team logic is the propositional analog to first-order team logic. Non-classical atoms of dependence, independence, inclusion, exclusion and anonymity can be expressed in it, but for all atoms except dependence only exponential translations ...
Martin Lück, Miikka Vilander
doaj   +1 more source

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