view wisdom/lie @ 9253:2805033a8bb7

<oerjan> learn An intersection is the opposite of an inverbosection.
author HackBot
date Thu, 13 Oct 2016 00:27:10 +0000
parents f0e8bf6fb443
children c777e2d91031
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Lies are even easier than monoids. They form groups, known as Lie groups.