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annotate wisdom/lambek's lemma @ 12263:7829671dc5b3 draft

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<b_jonas> addwhatis randquote(1hackeso) - print a random quote matching a regular expression
author HackEso <hackeso@esolangs.org>
date Sun, 08 Dec 2019 00:31:29 +0000
parents d3a12978331a
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10491
d3a12978331a <shachaf> le/rn_append lambek\'s lemma//It can be proved with as few as five arrows.
HackBot
parents: 8401
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1 Lambek's Lemma, invented by Joachim "Taneb" Lambek, states that initial algebras have inverses. It can be proved with as few as five arrows.