view wisdom/lambek's lemma @ 11245:23079875337b

<oerjan> learn Nnections are measured in millibits per siemens.
author HackBot
date Sun, 26 Nov 2017 04:46:35 +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.