Results 11 to 20 of about 9,150 (266)

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

From Hybrid Modal Logic to Matching Logic and Back [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2019
Building on our previous work on hybrid polyadic modal logic we identify modal logic equivalents for Matching Logic, a logic for program specification and verification.
Ioana Leuştean   +2 more
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

STABLE MODAL LOGICS [PDF]

open access: yesThe Review of Symbolic Logic, 2018
AbstractStable logics are modal logics characterized by a class of frames closed under relation preserving images. These logics admit all filtrations. Since many basic modal systems such as K4 and S4 are not stable, we introduce the more general concept of an M-stable logic, where M is an arbitrary normal modal logic that admits some filtration.
Guram Bezhanishvili   +2 more
openaire   +3 more sources

A Characterisation of Open Bisimilarity using an Intuitionistic Modal Logic [PDF]

open access: yesLogical Methods in Computer Science, 2021
Open bisimilarity is defined for open process terms in which free variables may appear. The insight is, in order to characterise open bisimilarity, we move to the setting of intuitionistic modal logics. The intuitionistic modal logic introduced, called $\
Ki Yung Ahn, Ross Horne, Alwen Tiu
doaj   +1 more source

A Real-Valued Modal Logic [PDF]

open access: yesLogical Methods in Computer Science, 2018
A many-valued modal logic is introduced that combines the usual Kripke frame semantics of the modal logic K with connectives interpreted locally at worlds by lattice and group operations over the real numbers.
Denisa Diaconescu   +2 more
doaj   +1 more source

Indicative Conditionals and Dynamic Epistemic Logic [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2017
Recent ideas about epistemic modals and indicative conditionals in formal semantics have significant overlap with ideas in modal logic and dynamic epistemic logic.
Wesley H. Holliday, Thomas F. Icard III
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

SYMMETRIES IN MODAL LOGICS [PDF]

open access: yesThe Bulletin of Symbolic Logic, 2015
AbstractIn this paper we develop the theoretical foundations to exploit symmetries in modal logics. We generalize the notion of symmetries of propositional formulas in conjunctive normal form to modal formulas using the framework provided by coinductive modal models introduced in [5].
Carlos Areces, Ezequiel Orbe
openaire   +1 more source

Ecumenical Modal Logic

open access: yes, 2020
The discussion about how to put together Gentzen's systems for classical and intuitionistic logic in a single unified system is back in fashion. Indeed, recently Prawitz and others have been discussing the so called Ecumenical Systems, where connectives from these logics can co-exist in peace.
Sonia Marin   +3 more
openaire   +2 more sources

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