view wisdom/lambek's lemma @ 12185:42f2882255c3 draft

<fizzie> sled /hackenv/le/rn_append//s|wisdom|${HACKENV-/hackenv}/wisdom|
author HackEso <hackeso@esolangs.org>
date Sun, 24 Nov 2019 16:24:56 +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.