Results 21 to 30 of about 170,706 (312)

A Proof Tree Builder for Sequent Calculus and Hoare Logic [PDF]

open access: yesThEdu@FLoC, 2023
We have developed a web-based pedagogical proof assistant, the Proof Tree Builder, that lets you apply rules upwards from the initial goal in sequent calculus and Hoare logic for a simple imperative language.
Joomy Korkut
semanticscholar   +1 more source

SeCaV: A Sequent Calculus Verifier in Isabelle/HOL [PDF]

open access: yesWorkshop on Logical and Semantic Frameworks with Applications, 2022
We describe SeCaV, a sequent calculus verifier for first-order logic in Isabelle/HOL, and the SeCaV Unshortener, an online tool that expands succinct derivations into the full SeCaV syntax. We leverage the power of Isabelle/HOL as a proof checker for our
Asta Halkjær From   +2 more
semanticscholar   +1 more source

Sequent Calculus in the Topos of Trees

open access: yesFoundations of Software Science and Computation Structure, 2015
Nakano's "later" modality, inspired by G\"{o}del-L\"{o}b provability logic, has been applied in type systems and program logics to capture guarded recursion. Birkedal et al modelled this modality via the internal logic of the topos of trees. We show that
A. Bizjak   +13 more
core   +2 more sources

Cut-free Sequent Calculus and Natural Deduction for the Tetravalent Modal Logic [PDF]

open access: yesStudia Logica: An International Journal for Symbolic Logic, 2021
The tetravalent modal logic (TML\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin ...
M. Figallo
semanticscholar   +1 more source

Superdeduction in Lambda-Bar-Mu-Mu-Tilde [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2011
Superdeduction is a method specially designed to ease the use of first-order theories in predicate logic. The theory is used to enrich the deduction system with new deduction rules in a systematic, correct and complete way.
Clément Houtmann
doaj   +1 more source

Curry-Howard for Sequent Calculus at Last!

open access: greenInternational Conference on Typed Lambda Calculus and Applications, 2015
José Espírito Santo
openalex   +3 more sources

Restrictions for loop-check in sequent calculus for temporal logic with until operator

open access: yesLietuvos Matematikos Rinkinys, 2009
In this paper, we present sequent calculus for branching-time temporal logic with until operator. This sequent calculus uses efficient loop-checktechinque.
Adomas Birštunas
doaj   +1 more source

Canonical Proof nets for Classical Logic [PDF]

open access: yes, 2012
Proof nets provide abstract counterparts to sequent proofs modulo rule permutations; the idea being that if two proofs have the same underlying proof-net, they are in essence the same proof.
McKinley, Richard
core   +2 more sources

Sequent calculus for propositional likelihood logic

open access: yesLietuvos Matematikos Rinkinys, 2023
There is not abstract.
Romas Alonderis
doaj   +3 more sources

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