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<b_jonas> `` set -e; f=/hackenv/bin/bfbotquine; >$f echo $\'#!/bin/sh\\necho hello, world\'; chmod -c a+x "$f"
author | HackEso <hackeso@esolangs.org> |
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date | Fri, 29 Nov 2019 23:32:39 +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.