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annotate wisdom/lambek's lemma @ 12245:f3f954c4c8fa draft

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<b_jonas> addwhatis whatis(5hackeso) - no description
author HackEso <hackeso@esolangs.org>
date Thu, 05 Dec 2019 23:40:42 +0000
parents d3a12978331a
children
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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.