view wisdom/lambek's lemma @ 11966:3f1a4ab429fd draft

<b_jonas> `` sed -i \'1s"$" https://github.com/KrzysztofSzewczyk/esologs/"\' wisdom/log
author HackEso <hackeso@esolangs.org>
date Sat, 12 Oct 2019 10:44:21 +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.