view wisdom/lambek's lemma @ 12018:03d43745ff23 draft

<b_jonas> `` hg cat -r 9075 bin/random-card > bin/random-card
author HackEso <hackeso@esolangs.org>
date Thu, 14 Nov 2019 21:44:59 +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.