view wisdom/lambek's lemma @ 11255:ad0977bc1f45

<oerjan> addquote <Taneb> English is a lie, words lack intrinsic meaning <int-e> fortunately people don\'t operate for long in a vacuum so there\'ll always be context
author HackBot
date Thu, 07 Dec 2017 10:21:07 +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.