annotate wisdom/lambek's lemma @ 11339:a3b6a53b86d8

<shachaf> le//rn_append dowg//One who uses many dowgs is known as a dowager.
author HackBot
date Sat, 03 Feb 2018 02:52:09 +0000
parents d3a12978331a
children
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10491
d3a12978331a <shachaf> le/rn_append lambek\'s lemma//It can be proved with as few as five arrows.
HackBot
parents: 8401
diff changeset
1 Lambek's Lemma, invented by Joachim "Taneb" Lambek, states that initial algebras have inverses. It can be proved with as few as five arrows.