view wisdom/lambek's lemma @ 11322:95654b88dbfc

<FireFly> slwd font//s;$; , FireFly\'s fonts http://xen.firefly.nu/up/fonts/ \\& https://twitter.com/FireyFly/status/899965577481129984;
author HackBot
date Mon, 15 Jan 2018 22:32:21 +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.