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The class of all embeddable semigroup amalgams is not finitely axiomatizable

✍ Scribed by Deko V. Dekov

Book ID: 108358092
Publisher: Elsevier Science
Year: 1998
Tongue: English
Weight: 293 KB
Volume: 125
Category: Article
ISSN: 0022-4049
DOI: 10.1016/s0022-4049(96)00146-6

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SC, CA, QA and QEA denote the classes of Pinter's substitution algebras, Tarski's cylindric algebras, Halmos' quasi-polyadic algebras and quasi-polyadic equality algebras, respectively. Let ω ≤ α < β and let K ∈ {SC, CA, QA, QEA}. We show that the class of α-dimensional neat reducts of algebras in K