The class of 2-dimensional neat reducts is not elementary

DOI10.4064/fm172-1-5zbMath0992.03083OpenAlexW2046708447MaRDI QIDQ2773377

Tarek Sayed Ahmed

Publication date: 21 February 2002

Published in: Fundamenta Mathematicae (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4064/fm172-1-5

zbMATH Keywords

algebraic logiccylindric algebrasneat reductsquasipolyadic algebrassubstitution algebraselementary subalgebras

Mathematics Subject Classification ID

Cylindric and polyadic algebras; relation algebras (03G15) Boolean algebras with additional operations (diagonalizable algebras, etc.) (06E25)

Related Items (7)

A note on neat reducts ⋮ On Complete Representations and Minimal Completions in Algebraic Logic, Both Positive and Negative Results ⋮ New perspectives in algebraic logic, from neat embeddings to Erdős graphs ⋮ Neat embeddings, omitting types, and interpolation: an overview ⋮ Some results about neat reducts ⋮ Strong Amalgamation in Systems of Varieties ⋮ Algebraic Logic, Where Does it Stand Today?

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