Mercurial > repo

view wisdom/lambek's lemma @ 12060:a7268c15a964 draft

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
<fizzie> sled /hackenv/bin/makelist//s|bin/|$HACKENV/bin/|
author HackEso <hackeso@esolangs.org>
date Sat, 16 Nov 2019 21:45:28 +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.