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view wisdom/lambek's lemma @ 11329:dd6d2180c5b6
<wob_jonas> perl -e open$h,"<",($f="wisdom/font");local$/;$_=<$h>; s"& \\S+/twitter\\.com/\\S+""; if (1) { open $o,">",$f;print$o $_; } print substr $_,200;
author | HackBot |
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date | Wed, 17 Jan 2018 21:02:27 +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.