Mercurial > repo

view wisdom/lambek's lemma @ 12284:82cb3de99d33 draft

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
<b_jonas> `` f=/hackenv/bin/botloop; >$f echo $\'#!/bin/sh\\necho no\'; chmod -c a+x "$f"
author HackEso <hackeso@esolangs.org>
date Wed, 01 Jan 2020 09:35:29 +0000
parents d3a12978331a
children
line wrap: on
line source

Lambek's Lemma, invented by Joachim "Taneb" Lambek, states that initial algebras have inverses. It can be proved with as few as five arrows.