the null set

From: Paul David Mena <pauldavidmena_at_gmail.com>
Date: Mon, 19 Feb 2024 13:56:24 -0500

the null set
no elements
in common

-- 
Paul David Mena
--------------------
pauldavidmena_at_gmail.com

Received on Mon Feb 19 2024 - 13:56:36 EST

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