Towards an algebraic theory of KD45-like logics

Van den Berg sel., Line; Busaniche, Manuela; Marcos, Miguel; Metcalfe, George (2024). Towards an algebraic theory of KD45-like logics. In: Proceedings of AiML 2024. Advances in Modal Logic: Vol. 15 (pp. 171-186). College Publications

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Algebraic semantics are introduced for a family of 'KD45-like' modal substructural logics as a generalization of Bezhanishivili's pseudomonadic algebras for the modal logic KD45. It is shown that these structures correspond to ordered pairs consisting of an FLe-algebra (or commutative pointed residuated lattice) and a subalgebra with a suitable lattice filter, extending a similar result for 'S5-like' logics. It is then shown that if the FLe-algebra reduct belongs to a variety that has the superamalgamation property, then the structure equipped with an additional constant is representable as an algebra of functions from a set of worlds to an FLe-algebra of the same variety.

Item Type:

Book Section (Book Chapter)

Division/Institute:

08 Faculty of Science > Department of Mathematics and Statistics > Institute of Mathematics

UniBE Contributor:

Van den Berg sel., Line, Metcalfe, George

Subjects:

500 Science > 510 Mathematics

ISBN:

978-1-84890-467-5

Series:

Advances in Modal Logic

Publisher:

College Publications

Language:

English

Submitter:

George Metcalfe

Date Deposited:

15 Aug 2024 07:38

Last Modified:

15 Aug 2024 07:38

BORIS DOI:

10.48350/199702

URI:

https://boris.unibe.ch/id/eprint/199702

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