Article (Scientific journals)
Many-valued coalgebraic logic over semi-primal varieties
Kurz, Alexander; POIGER, Wolfgang; TEHEUX, Bruno
2024In Logical Methods in Computer Science, 20 (3), p. 6:1-6:32
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Keywords :
coalgebraic logic; many-valued logic; modal logic; semi-primal algebra; one-step completeness; expressivity
Abstract :
[en] We study many-valued coalgebraic logics with semi-primal algebras of truth-degrees. We provide a systematic way to lift endofunctors defined on the variety of Boolean algebras to endofunctors on the variety generated by a semi-primal algebra. We show that this can be extended to a technique to lift classical coalgebraic logics to many-valued ones, and that (one-step) completeness and expressivity are preserved under this lifting. For specific classes of endofunctors, we also describe how to obtain an axiomatization of the lifted many-valued logic directly from an axiomatization of the original classical one. In particular, we apply all of these techniques to classical modal logic.
Disciplines :
Computer science
Mathematics
Author, co-author :
Kurz, Alexander
POIGER, Wolfgang ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Mathematics (DMATH)
TEHEUX, Bruno ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Mathematics (DMATH)
External co-authors :
yes
Language :
English
Title :
Many-valued coalgebraic logic over semi-primal varieties
Publication date :
17 July 2024
Journal title :
Logical Methods in Computer Science
eISSN :
1860-5974
Publisher :
Centre pour la Communication Scientifique Directe (CCSD)
Volume :
20
Issue :
3
Pages :
6:1-6:32
Peer reviewed :
Peer Reviewed verified by ORBi
FnR Project :
PRIDE17/12246620/GPS
Available on ORBilu :
since 18 July 2024

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