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From: David Chmelik <dchmelik@gmail.com>
Newsgroups: sci.math
Subject: Re: universe set?
Date: Wed, 19 Jun 2024 08:59:03 -0000 (UTC)
Organization: A noiseless patient Spider
Lines: 13
Message-ID: <v4u6kn$1q5cn$1@dont-email.me>
References: <v4rt6p$u3cd$1@dont-email.me> <v4rt9f$u3cd$3@dont-email.me>
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On Tue, 18 Jun 2024 09:18:54 -0400, FromTheRafters wrote:

> David Chmelik has brought this to us :
>> On Tue, 18 Jun 2024 12:05:45 -0000 (UTC), David Chmelik wrote:
>>
>> Is the universe set called universet?
> 
> Domain of Discourse. Usually a blackboard bold (or doublestruck) D is
> the symbol.

I remember that, or 'universe of discourse' but my professors usually just 
wrote the specific set such as N, Z, Q, R, C (in blackboard bold).