annotate wisdom/lambek's lemma @ 12295:661484c27cec draft

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author HackEso <hackeso@esolangs.org>
date Sat, 04 Jan 2020 09:50:54 +0000
parents d3a12978331a
children
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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.