Mercurial > repo

view wisdom/lambek's lemma @ 12316:563db84bb4f8 draft

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
<wib_jonas> fetch /hackenv/interps/egel/readme-hackeso.txt https://hack.esolangs.org/get/interps/egel/readme-hackeso.txt
author HackEso <hackeso@esolangs.org>
date Fri, 21 Feb 2020 11:59:21 +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.