view wisdom/lambek's lemma @ 10957:7e2de2db9b92

<oerjan> slwd long winded//s,to describe,for the description of,;s,to be,into a more,;s:,: shape,:;s,less,significantly less amount of,
author HackBot
date Fri, 26 May 2017 01:29:11 +0000
parents d3a12978331a
children
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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.