Mercurial > repo

view wisdom/lambek's lemma @ 11391:b2c725ab1062

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
<wob_jonas> forget n\xc3\xb8d
author HackBot
date Wed, 28 Feb 2018 02:25:39 +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.