Results 21 to 30 of about 772,618 (287)

One-Sided Sequent Systems for Nonassociative Bilinear Logic: Cut Elimination and Complexity

open access: yesBulletin of the Section of Logic, 2021
Bilinear Logic of Lambek amounts to Noncommutative MALL of Abrusci. Lambek proves the cut–elimination theorem for a one-sided (in fact, left-sided) sequent system for this logic.
Paweł Płaczek
doaj   +1 more source

Inducing syntactic cut-elimination for indexed nested sequents [PDF]

open access: yesLogical Methods in Computer Science, 2018
The key to the proof-theoretic study of a logic is a proof calculus with a subformula property. Many different proof formalisms have been introduced (e.g. sequent, nested sequent, labelled sequent formalisms) in order to provide such calculi for the many
Revantha Ramanayake
doaj   +1 more source

Algebraic Aspects of Cut Elimination [PDF]

open access: yesStudia Logica, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Francesco Belardinelli   +2 more
openaire   +1 more source

Fast Cut-Elimination using Proof Terms: An Empirical Study [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2018
Urban and Bierman introduced a calculus of proof terms for the sequent calculus LK with a strongly normalizing reduction relation. We extend this calculus to simply-typed higher-order logic with inferences for induction and equality, albeit without ...
Gabriel Ebner
doaj   +1 more source

Cut elimination by unthreading

open access: yesArchive for Mathematical Logic, 2023
AbstractWe provide a non-Gentzen, though fully syntactical, cut-elimination algorithm for classical propositional logic. The designed procedure is implemented on $$\textsf{GS4}$$ GS 4 , the one-sided version of Kleene’s sequent system $$\textsf{G4}$$
openaire   +4 more sources

Cut-Free Gentzen Sequent Calculi for Tense Logics

open access: yesAxioms, 2023
The cut-free single-succedent Gentzen sequent calculus GKt for the minimal tense logic Kt is introduced. This sequent calculus satisfies the displaying property.
Zhe Lin, Minghui Ma
doaj   +1 more source

Cut-elimination, substitution and normalisation [PDF]

open access: yes, 2014
Date of Acceptance: 01/2015We present a proof (of the main parts of which there is a formal version, checked with the Isabelle proof assistant) that, for a G3-style calculus covering all of intuitionistic zero-order logic, with an associated term ...
Roy Dyckhoff, Dyckhoff, Roy
core   +1 more source

Quasipolynomial Normalisation in Deep Inference via Atomic Flows and Threshold Formulae [PDF]

open access: yesLogical Methods in Computer Science, 2016
Je\v{r}\'abek showed that cuts in classical propositional logic proofs in deep inference can be eliminated in quasipolynomial time. The proof is indirect and it relies on a result of Atserias, Galesi and Pudl\'ak about monotone sequent calculus and a ...
Paola Bruscoli   +3 more
doaj   +1 more source

Schema Complexity in Propositional-Based Logics

open access: yesMathematics, 2021
The essential structure of derivations is used as a tool for measuring the complexity of schema consequences in propositional-based logics. Our schema derivations allow the use of schema lemmas and this is reflected on the schema complexity.
Jaime Ramos   +2 more
doaj   +1 more source

Cut-elimination for knowledge logics with interaction

open access: yesLietuvos Matematikos Rinkinys, 2008
In the article, multimodal logics K4n and S4n with the central agent axiom are analysed. The Hilbert type calculi are presented, then the Gentzen type calculi with cut are derived, and the proofs of the cut-eliminationtheorems are outlined.
Julius Andrikonis
doaj   +1 more source

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