MathGroup Archive: December 2011 [00402]

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Re: reliably sort?

To: mathgroup at smc.vnet.net
Subject: [mg123720] Re: reliably sort?
From: DrMajorBob <btreat1 at austin.rr.com>
Date: Fri, 16 Dec 2011 05:51:47 -0500 (EST)
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References: <201112160210.VAA01962@smc.vnet.net>
Reply-to: drmajorbob at yahoo.com

There are no "mathematical sets" in Mathematica.

Bobby

On Thu, 15 Dec 2011 20:10:58 -0600, Shizu <slivo.vitz at msa.hinet.net> wrote:

> Union[] is defined for "mathematical sets".  The elements are sorted and  
> repeated elements are deleted.
>
> With Join[], we can just concatenate lists together, without sorting or  
> dropping.


-- 
DrMajorBob at yahoo.com

References:
- Re: Does Union[] reliably sort?
  - From: Shizu <slivo.vitz@msa.hinet.net>

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