Mercurial > repo

view wisdom/lambek's lemma @ 12396:999b064a423a draft

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
<salpynx> ` cp \xf0\x9f\x8c\xb1 ../bin
author HackEso <hackeso@esolangs.org>
date Thu, 27 May 2021 14:28:50 +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.