Mercurial > repo

view wisdom/lambek's lemma @ 10850:f804772bac12

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
<oerjan> slwd `fetch//s,See,It is a special builtin that cannot be called from other commands. &,
author HackBot
date Sun, 30 Apr 2017 18:00:03 +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.