Mercurial > repo
view wisdom/lambek's lemma @ 11274:691573d3fb51
<oerjan> revert
author | HackBot |
---|---|
date | Sat, 16 Dec 2017 21:25:37 +0000 |
parents | d3a12978331a |
children |
line wrap: on
line source
Lambek's Lemma, invented by Joachim "Taneb" Lambek, states that initial algebras have inverses. It can be proved with as few as five arrows.