Principal Congruences on Semi-De Morgan Algebras |
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| Authors: | Palma Cândida Santos Raquel |
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| Affiliation: | (1) Departamento de Matemática Faculdade de Ciências, Universidade de Lisboa, Rua Ernesto de Vasconcelos, Bloco C1 piso 3, 1749-016 Lisboa, Portugal |
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| Abstract: | In this paper we use Hobby's duality for semi-De Morgan algebras, to characterize those algebras having only principal congruences in the classes of semi-De Morgan algebras, demi-pseudocomplemented lattices and almost pseudocomplemented lattices. This work extends some of the results reached by Beazer in [3] and [4]. |
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| Keywords: | Semi-De Morgan algebra principal congruence duality |
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