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<fizzie> sled /hackenv/bin/spore//s|/hackenv/tmp/|$HACKENV/tmp/|g
author HackEso <hackeso@esolangs.org>
date Sat, 16 Nov 2019 21:35:56 +0000
parents d3a12978331a
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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.