On the quantified version of the Belnap–Dunn modal logic
- Authors: Grefenshtein A.V.1, Speranski S.O.1
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Affiliations:
- Steklov Mathematical Institute of Russian Academy of Sciences
- Issue: Vol 215, No 3 (2024)
- Pages: 37-69
- Section: Articles
- URL: https://bakhtiniada.ru/0368-8666/article/view/254272
- DOI: https://doi.org/10.4213/sm9981
- ID: 254272
Cite item
Abstract
We develop a quantified version of the propositional modal logic BK from an article by Odintsov and Wansing, which is based on the (non-modal) Belnap–Dunn system; we denote this version by QBK. First, by using the canonical model method we prove that QBK, as well as some important extensions of it, is strongly complete with respect to a suitable possible world semantics. Then we define translations (in the spirit of Gödel–McKinsey–Tarski) that faithfully embed the quantified versions of Nelson's constructive logics into suitable extensions of QBK. In conclusion, we discuss interpolation properties for QBK-extensions.
About the authors
Alexander Vitalevich Grefenshtein
Steklov Mathematical Institute of Russian Academy of Sciences
Author for correspondence.
Email: katze.tail@gmail.com
without scientific degree, no status
Stanislav Olegovich Speranski
Steklov Mathematical Institute of Russian Academy of Sciences
Email: katze.tail@gmail.com
ORCID iD: 0000-0001-6386-5632
Scopus Author ID: 55532074400
ResearcherId: L-2043-2016
Candidate of physico-mathematical sciences, no status
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