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Determined congruence classes. (English) Zbl 1047.08004
Chajda, I. (ed.) et al., Proceedings of the 64th workshop on general algebra “64. Arbeitstagung Allgemeine Algebra”, Olomouc, Czech Republic, May 30–June 2, 2002 and of the 65th workshop on general algebra “65. Arbeitstagung Allgemeine Algebra”, Potsdam, Germany, March 21–23, 2003. Klagenfurt: Verlag Johannes Heyn (ISBN 3-7084-0116-6/pbk). Contrib. Gen. Algebra 14, 21-28 (2004).
The paper deals with generalizations of the notions of congruence regularity, \(n\)-permutability, congruence modularity and coherence. Extended versions of some former theorems are stated.
For the entire collection see [Zbl 1034.08002].
MSC:
08A30 Subalgebras, congruence relations
08B05 Equational logic, Mal’tsev conditions
08B10 Congruence modularity, congruence distributivity
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