view wisdom/lambek's lemma @ 11227:56595aebd77f

<oerjan> learn Connecticut is a US state named in recognition of its extremely unstable communication networks.
author HackBot
date Tue, 17 Oct 2017 02:15:17 +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.