Congruences in ordered sets
Authors:
- Ivan ChajdaICIvan Chajda
- Václav SnášelVSVáclav Snášel
- 1 January 1998
- journal article
- Published by Institute of Mathematics, Czech Academy of Sciences in Mathematica Bohemica
- Vol. 123 (1) , 95-100
Abstract
A concept of congruence preserving upper and lower bounds in a poset $P$ is introduced. If $P$ is a lattice, this concept coincides with the notion of lattice congruence.