Principal congruences on semi-de Morgan algebras

Studia Logica 67 (1):75-88 (2001)
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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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Raquel Santos
Pontifícia Universidade Católica de São Paulo

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References found in this work

Semi-de Morgan algebras.Hanamantagouda P. Sankappanavar - 1987 - Journal of Symbolic Logic 52 (3):712-724.
Semi-demorgan algebras.David Hobby - 1996 - Studia Logica 56 (1-2):151 - 183.
Varieties of Demi‐Pseudocomplemented Lattices.Hanamantagouda P. Sankappanavar - 1991 - Mathematical Logic Quarterly 37 (26-30):411-420.

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