A Non-Wellfounded and Labelled Sequent Calculus for Bimodal Provability Logic

Fuente: arXiv
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Main Author: Becker, Justus
Format: Preprint
Published: 2025
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author Becker, Justus
author_facet Becker, Justus
contents We present a labelled and non-wellfounded calculus for the bimodal provability logic CS. The system is obtained by modelling the Kripke-like semantics of this logic. As in arXiv:2309.00532, we enforce the second-order property of converse wellfoundedness by using techniques from cyclic proof theory. We will prove soundness and completeness of this system with respect to the semantics and provide a primitive decision procedure together with a way to extract countermodels.
format Preprint
id arxiv_https___arxiv_org_abs_2506_14307
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle A Non-Wellfounded and Labelled Sequent Calculus for Bimodal Provability Logic
Becker, Justus
Logic in Computer Science
Logic
F.4.1
We present a labelled and non-wellfounded calculus for the bimodal provability logic CS. The system is obtained by modelling the Kripke-like semantics of this logic. As in arXiv:2309.00532, we enforce the second-order property of converse wellfoundedness by using techniques from cyclic proof theory. We will prove soundness and completeness of this system with respect to the semantics and provide a primitive decision procedure together with a way to extract countermodels.
title A Non-Wellfounded and Labelled Sequent Calculus for Bimodal Provability Logic
topic Logic in Computer Science
Logic
F.4.1
url https://arxiv.org/abs/2506.14307