view wisdom/lambek's lemma @ 11217:59572dc3a666

<shachaf> swrjan s/arrant/kind/
author HackBot
date Thu, 05 Oct 2017 01:27:38 +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.