view wisdom/lambek's lemma @ 11289:e449274aebfd

<int-e> slwd 8/8/8/8/8/8/8/8//s/ notation//
author HackBot
date Sat, 30 Dec 2017 16:59:46 +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.