view wisdom/lambek's lemma @ 12322:f63a9a76560c draft

<int-e> ` mv $HACKENV/wisdom/economic{,s}
author HackEso <hackeso@esolangs.org>
date Fri, 20 Mar 2020 23:56:35 +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.