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<salpynx> ` $(\xf0\x9f\x8c\xb1 2 6) -s \xf0\x9f\x8c\xb1 $HACKENV/bin/seed
author HackEso <hackeso@esolangs.org>
date Thu, 17 Jun 2021 23:51:56 +0100
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.