On the Canonicity of Sahlqvist Identities

We give a simple proof of the canonicity of Sahlqvist identities, using methods that were introduced in a paper by Jónsson and Tarski in 1951.

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Bibliographic Details
Published in:Studia logica 1994-11, Vol.53 (4), p.473-491
Main Author: J nsson, Bjarni
Format: Article
Language:English
Subjects:
Algebra
Axioms
Bibliographic families
Boolean algebras
Boolean data
Complementation
Logical theorems
Mathematical theorems
Modal logic
Quasiidentities
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Description
Summary:We give a simple proof of the canonicity of Sahlqvist identities, using methods that were introduced in a paper by Jónsson and Tarski in 1951.
ISSN:0039-3215
1572-8730
DOI:10.1007/BF01057646