Erdős Graphs Resolve Fine's Canonicity Problem
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Publication:4678939
DOI10.2178/bsl/1082986262zbMath1060.03038OpenAlexW2144612483MaRDI QIDQ4678939
Robert Goldblatt, Yde Venema, I. M. Hodkinson
Publication date: 24 May 2005
Published in: Bulletin of Symbolic Logic (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.2178/bsl/1082986262
equational classesKripke framesBoolean algebras with operatorsrelational structuresbimodal logicfirst-order definable class
Random graphs (graph-theoretic aspects) (05C80) Modal logic (including the logic of norms) (03B45) Equational classes, universal algebra in model theory (03C05) Boolean algebras with additional operations (diagonalizable algebras, etc.) (06E25) Varieties (08B99)
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Decidability of modal logics of non-\(k\)-colorable graphs ⋮ New perspectives in algebraic logic, from neat embeddings to Erdős graphs ⋮ MacNeille completions and canonical extensions ⋮ Canonical extensions: an algebraic approach to Stone duality ⋮ Monadic bounded algebras ⋮ Elementary canonical formulae: extending Sahlqvist's theorem ⋮ Some results about neat reducts ⋮ Canonical extensions and ultraproducts of polarities
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