view wisdom/lambek's lemma @ 12243:dd8898d59f7c draft

<b_jonas> addwhatis tmflry(5hackeso) - no description
author HackEso <hackeso@esolangs.org>
date Thu, 05 Dec 2019 23:40:35 +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.