view wisdom/lambek's lemma @ 12523:67a2e5342dad draft default tip

<b_jonas> learn The password of the month is outside the scope of this wisdom entry.
author HackEso <hackeso@esolangs.org>
date Tue, 01 Apr 2025 08:17:53 +0100
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.