Every finite algebra with congruence lattice \(M_ 7 \)has principal congruences. (English) Zbl 0518.06004
Universal algebra and lattice theory, Proc. 4th int. Conf., Puebla/Mex. 1982, Lect. Notes Math. 1004, 273-292 (1983).
MSC:
| 06B15 | Representation theory of lattices |
| 06C05 | Modular lattices, Desarguesian lattices |
| 05A17 | Combinatorial aspects of partitions of integers |
| 06B10 | Lattice ideals, congruence relations |
