An observation on n-permutability
Category Theory
2014-07-08 v1
Abstract
We prove that in a regular category all reflexive and transitive relations are symmetric if and only if every internal category is an internal groupoid. In particular, these conditions hold when the category is n-permutable for some n.
Cite
@article{arxiv.1306.6523,
title = {An observation on n-permutability},
author = {Nelson Martins-Ferreira and Diana Rodelo and Tim Van der Linden},
journal= {arXiv preprint arXiv:1306.6523},
year = {2014}
}
Comments
6 pages