view wisdom/lambek's lemma @ 9949:adc66c411517

<oerjan> slwd rules of wisdom//s,they,They,
author HackBot
date Mon, 12 Dec 2016 02:39:43 +0000
parents 4d453e9a7250
children d3a12978331a
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Lambek's Lemma, invented by Joachim "Taneb" Lambek, states that initial algebras have inverses.