view wisdom/lambek's lemma @ 12299:94e16e8b0418 draft

<oerjan> learn zemhill is a bot for playing BF Joust, something we cannot underscore enough.
author HackEso <hackeso@esolangs.org>
date Tue, 07 Jan 2020 07:33:42 +0000
parents d3a12978331a
children
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Lambek's Lemma, invented by Joachim "Taneb" Lambek, states that initial algebras have inverses. It can be proved with as few as five arrows.