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<int-e> le/rn that//"That" is the less controversial twin of "this".
author HackEso <hackeso@esolangs.org>
date Mon, 18 May 2020 13:13:32 +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.