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<shachaf> swrjan s.exclu.inci.
author | HackBot |
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date | Fri, 31 Mar 2017 00:08:59 +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.