Article
Keywords:
variety; lattice; compact element
Summary:
We prove that the lattice of varieties contains almost no compact elements.
References:
[1] J. Ježek:
The lattice of equational theories. Czechoslovak Math. J. 31 (1981), 127–152; 573–603.
MR 0604120
[4] R. McKenzie, G. McNulty, W. Taylor:
Algebras, Lattices, Varieties, Vol. I. Wadsworth & Brooks/Cole, Monterey, CA, 1987.
MR 0883644