Abstract
It is proved that the set of closed classes containing some minimal classes in the partially ordered set \({\cal L}_2^3\) of closed classes in the three-valued logic that can be homomorphically mapped onto the two-valued logic has the cardinality of continuum.
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References
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Russian Text © The Author(s). 2019. published in Vestnik Moskovskogo Universiteta. Matematika. Mekhanika. 2019. Vol. 74, No. 4, pp. 57–58.
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Makarov, A.V., Makarov, V.V. Cardinality of the Continuum of Closed Superclasses of Some Minimal Classes in the Partially Ordered Set \({\cal L}_2^3\). Moscow Univ. Math. Bull. 74, 174 (2019). https://doi.org/10.3103/S0027132219040089
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DOI: https://doi.org/10.3103/S0027132219040089