A technical lemma for congruences of finite lattices
Rings and Algebras
2013-08-27 v2
Abstract
The classical Technical Lemma for congruences is not difficult to prove but it is very efficient in its applications. We present here a Technical Lemma for congruences on \emph{finite lattices}. This is not difficult to prove either but it has already has proved its usefulness in some applications.
Cite
@article{arxiv.1308.4607,
title = {A technical lemma for congruences of finite lattices},
author = {George Grätzer},
journal= {arXiv preprint arXiv:1308.4607},
year = {2013}
}