view wisdom/lambek's lemma @ 12305:fe459d857c0f draft

<int-e> forget kingoffrance
author HackEso <hackeso@esolangs.org>
date Mon, 27 Jan 2020 20:49:29 +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.