view wisdom/lambek's lemma @ 9711:d5a22864cb30

<oerjan> whoops testing
author HackBot
date Thu, 17 Nov 2016 17:27:17 +0000
parents 4d453e9a7250
children d3a12978331a
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Lambek's Lemma, invented by Joachim "Taneb" Lambek, states that initial algebras have inverses.