view wisdom/lambek's lemma @ 12312:ab575fb7f10e draft

<b_jonas> `` cp -vi /hackenv/tmp/egel-master/include/prelude-hackeso.eg /hackenv/interps/egel/
author HackEso <hackeso@esolangs.org>
date Thu, 20 Feb 2020 23:23:38 +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.