view wisdom/lambek's lemma @ 9984:8fa7b097affc

<oerjan> undo 9983
author HackBot
date Thu, 15 Dec 2016 02:05:13 +0000
parents 4d453e9a7250
children d3a12978331a
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Lambek's Lemma, invented by Joachim "Taneb" Lambek, states that initial algebras have inverses.