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Kleene Algebras, Regular Languages and Substructural Logics [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2014
We introduce the two substructural propositional logics KL, KL+ , which use disjunction, fusion and a unary, (quasi-)exponential connective. For both we prove strong completeness with respect to the interpretation in Kleene algebras and a variant thereof.
Christian Wurm
doaj   +4 more sources

Stone-Type Dualities for Separation Logics [PDF]

open access: yesLogical Methods in Computer Science, 2019
Stone-type duality theorems, which relate algebraic and relational/topological models, are important tools in logic because -- in addition to elegant abstraction -- they strengthen soundness and completeness to a categorical equivalence, yielding a ...
Simon Docherty, David Pym
doaj   +5 more sources

Convolution Algebras: Relational Convolution, Generalised Modalities and Incidence Algebras [PDF]

open access: yesLogical Methods in Computer Science, 2021
Convolution is a ubiquitous operation in mathematics and computing. The Kripke semantics for substructural and interval logics motivates its study for quantale-valued functions relative to ternary relations. The resulting notion of relational convolution
Brijesh Dongol   +2 more
doaj   +1 more source

Basic Core Fuzzy Logics and Algebraic Routley–Meyer-Style Semantics

open access: yesAxioms, 2021
Recently, algebraic Routley–Meyer-style semantics was introduced for basic substructural logics. This paper extends it to fuzzy logics. First, we recall the basic substructural core fuzzy logic MIAL (Mianorm logic) and its axiomatic extensions, together ...
Eunsuk Yang
doaj   +1 more source

Why a Logic is not only its Set of Valid Inferences

open access: yesAnálisis Filosófico, 2021
The main idea that we want to defend in this paper is that the question of what a logic is should be addressed differently when structural properties enter the game.
Eduardo A. Barrio, Federico Pailos
doaj   +1 more source

Structural Rules in Natural Deduction with Alternatives

open access: yesBulletin of the Section of Logic, 2023
Natural deduction with alternatives extends Gentzen–Prawitz-style natural deduction with a single structural addition: negatively signed assumptions, called alternatives.
Greg Restall
doaj   +1 more source

Outline of a Dialogical Theory of Truth

open access: yesCrítica, 2023
In this essay I propose two theories of truth and show how they deal with semantic paradoxes. Their most salient feature is that they are based on a gametheoretic understanding of logic and meaning.
Miguel Álvarez Lisboa
doaj   +1 more source

Command injection attacks, continuations, and the Lambek calculus [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2016
This paper shows connections between command injection attacks, continuations, and the Lambek calculus: certain command injections, such as the tautology attack on SQL, are shown to be a form of control effect that can be typed using the Lambek calculus,
Hayo Thielecke
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

Local Search and the Evolution of World Models

open access: yesTopics in Cognitive Science, EarlyView., 2023
Abstract An open question regarding how people develop their models of the world is how new candidates are generated for consideration out of infinitely many possibilities. We discuss the role that evolutionary mechanisms play in this process. Specifically, we argue that when it comes to developing a global world model, innovation is necessarily ...
Neil R. Bramley   +3 more
wiley   +1 more source

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