Results 11 to 20 of about 102,741 (269)

Categorical and algebraic aspects of the intuitionistic modal logic IEL― and its predicate extensions

open access: closedJournal of Logic and Computation, 2020
Abstract The system of intuitionistic modal logic $\textbf{IEL}^{-}$ was proposed by S. Artemov and T. Protopopescu as the intuitionistic version of belief logic (S. Artemov and T. Protopopescu. Intuitionistic epistemic logic. The Review of Symbolic Logic, 9, 266–298, 2016).
Daniel Rogozin
openaire   +3 more sources

IMPLICITINĖ PREDIKATO KVANTIFIKACIJA IR PORT ROYALIO LOGIKA

open access: yesProblemos, 2004
Straipsnyje analizuojama logikos istorikų Jill Vance Buroker, Sylvaino Auroux ir Jeano-Claude’o Pariente’o pozicija, kad tradicinės logikos pradininkų – Antoine’o Arnauld ir Pierre’o Nicole’io – pažiūrose į kategorinio sakinio semantiką galima įžvelgti ...
Laisvūnas Šopauskas
doaj   +24 more sources

KATEGORINIŲ SAKINIŲ SEMANTIKA PORT ROYALIO LOGIKOJE

open access: yesProblemos, 2004
Straipsnyje analizuojamos tradicinės logikos pradininkų – Antoine’o Arnauld ir Pierre’o Nicole’io – pažiūros į kategorinio sakinio semantiką trimis aspektais: kaip jie suprato sintaksę, elementariųjų dalių prasmes ir sakinio prasmės priklausomybę nuo ...
Laisvūnas Šopauskas
doaj   +24 more sources

A Completeness Proof for A Regular Predicate Logic with Undefined Truth Value [PDF]

open access: yesNotre Dame Journal of Formal Logic, 2021
We provide a sound and complete proof system for an extension of Kleene's ternary logic to predicates. The concept of theory is extended with, for each function symbol, a formula that specifies when the function is defined.
A. Valmari, L. Hella
semanticscholar   +1 more source

Definite descriptions and hybrid tense logic [PDF]

open access: yesSynthese, 2023
We provide a version of first-order hybrid tense logic with predicate abstracts and definite descriptions as the only non-rigid terms. It is formalised by means of a tableau calculus working on sat-formulas.
Andrzej Indrzejczak, Michał Zawidzki
semanticscholar   +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 ...
G. Tourlakis, Yunge Hao
semanticscholar   +1 more source

Model-Checking for First-Order Logic with Disjoint Paths Predicates in Proper Minor-Closed Graph Classes [PDF]

open access: yesarXiv.org, 2022
The disjoint paths logic, FOL+DP, is an extension of First-Order Logic (FOL) with the extra atomic predicate $\mathsf{dp}_k(x_1,y_1,\ldots,x_k,y_k),$ expressing the existence of internally vertex-disjoint paths between $x_i$ and $y_i,$ for $i\in\{1 ...
P. Golovach   +2 more
semanticscholar   +1 more source

Predicate Abstraction via Symbolic Decision Procedures [PDF]

open access: yesLogical Methods in Computer Science, 2007
We present a new approach for performing predicate abstraction based on symbolic decision procedures. Intuitively, a symbolic decision procedure for a theory takes a set of predicates in the theory and symbolically executes a decision procedure on all ...
Shuvendu K. Lahiri   +2 more
doaj   +1 more source

Intuitionistic Layered Graph Logic: Semantics and Proof Theory [PDF]

open access: yesLogical Methods in Computer Science, 2018
Models of complex systems are widely used in the physical and social sciences, and the concept of layering, typically building upon graph-theoretic structure, is a common feature.
Simon Docherty, David Pym
doaj   +1 more source

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