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<b_jonas> slashlearn source//Sources for HackEgo can be found at https://bitbucket.org/GregorR/hackbot + https://bitbucket.org/GregorR/multibot + https://bitbucket.org/GregorR/umlbox . Sources for HackEso can be found at https://bitbucket.org/fizzie/hackbot + https://bitbucket.org/fizzie/multibot + https://bitbucket.org/fizzie/umlbox .
author HackEso <hackeso@esolangs.org>
date Tue, 16 Jul 2019 21:07:24 +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.