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Quasi-identities and quasi-verbal subalgebras

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Abstract

A description of a quasi-verbal subalgebra of a universal algebra in terms of the closure with respect to functional operations is given. A basis of quasi-identities of the product of two quasi-varieties of universal algebras is constructed via bases of quasi-identities of the factors.

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Authors and Affiliations

  1. Altai State University, Barnaul

    S. V. Varaksin

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  1. S. V. Varaksin
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Translated fromMatematicheskie Zametki, Vol. 67, No. 3, pp. 323–328, March, 2000.

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Varaksin, S.V. Quasi-identities and quasi-verbal subalgebras. Math Notes 67, 269–273 (2000). https://doi.org/10.1007/BF02676662

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  • DOI: https://doi.org/10.1007/BF02676662

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