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Bibliographic Details
Main Author: Jakl, Tomáš
Format: Preprint
Published: 2025
Subjects:
Online Access:https://arxiv.org/abs/2503.20679
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author Jakl, Tomáš
author_facet Jakl, Tomáš
contents We review four areas of theoretical computer science which share technical or philosophical ideas with the work of Belnap on his useful four-valued logic. Perhaps surprisingly, the inspiration by Belnap-Dunn logic is acknowledged only in the study of d-frames. The connections of Belnap's work and linear logic, Blame Calculus or the study of LVars are not openly admitted. The key to three of these connections with Belnap's work go via the twist-product representation of bilattices. On the one hand, it allows us to view a large class of models of linear logic as based on Belnap-Dunn logic. On the other hand, d-frames admit two twist-product representation theorems and, also, the key theorem of Blame Calculus is essentially a twist-product representation theorem too, albeit with a strong proof-theoretic flavour.
format Preprint
id arxiv_https___arxiv_org_abs_2503_20679
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Four imprints of Belnap's useful four-valued logic in computer science
Jakl, Tomáš
Logic in Computer Science
We review four areas of theoretical computer science which share technical or philosophical ideas with the work of Belnap on his useful four-valued logic. Perhaps surprisingly, the inspiration by Belnap-Dunn logic is acknowledged only in the study of d-frames. The connections of Belnap's work and linear logic, Blame Calculus or the study of LVars are not openly admitted. The key to three of these connections with Belnap's work go via the twist-product representation of bilattices. On the one hand, it allows us to view a large class of models of linear logic as based on Belnap-Dunn logic. On the other hand, d-frames admit two twist-product representation theorems and, also, the key theorem of Blame Calculus is essentially a twist-product representation theorem too, albeit with a strong proof-theoretic flavour.
title Four imprints of Belnap's useful four-valued logic in computer science
topic Logic in Computer Science
url https://arxiv.org/abs/2503.20679