Abstract
Various classes of de Morgan algebras whose congruence relations satisfy special conditions are investigated together with their interrelationship. In particular, the classes of congruence permutable, congruence regular, and congruence uniform de Morgan algebras are studied.
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Adams, M.E., Beazer, R. Congruence relations on de Morgan algebras. Algebra Universalis 26, 103–125 (1989). https://doi.org/10.1007/BF01243876
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DOI: https://doi.org/10.1007/BF01243876