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From: Thomas Streicher <streicher@mathematik.tu-darmstadt.de>
To: Eduardo Julio Dubuc <edubuc@dm.uba.ar>
Cc: Categories list <categories@mta.ca>
Subject: Re: Giraud_Elementary_?
Date: Tue, 8 Nov 2016 11:03:59 +0100	[thread overview]
Message-ID: <E1c4Go2-0004dE-BM@mlist.mta.ca> (raw)
In-Reply-To: <E1c3vRS-0003x7-0b@mlist.mta.ca>

On Mon, Nov 07, 2016 at 04:03:18PM -0500, Eduardo Julio Dubuc wrote:
> Hi, in this posting I will use the terminology used by most people in
> the list.
>
> There are Grothendieck, Giraud and Elementary (Lawvere-Tierney) topos.
>
> Grothendieck are Giraud and Elementary, my question is:
>
> Are Elementary Giraud topos which are not Grothendieck ?

But Grothendieck and Giraud toposes are the same. In the Elephant one
can even find a relative Giraud Theorem.

Thomas


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  reply	other threads:[~2016-11-08 10:03 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-07 21:03 Giraud_Elementary_? Eduardo Julio Dubuc
2016-11-08 10:03 ` Thomas Streicher [this message]
     [not found] <20161108100359.GB26241@mathematik.tu-darmstadt.de>
2016-11-08 17:13 ` Giraud_Elementary_? Eduardo Julio Dubuc
     [not found] <CACxkR4DXKO3sosJPB2YN+zGNGyKu7mnU-_Mfdi=GUXewek-w1Q@mail.gmail.com>
2016-11-08 17:20 ` Giraud_Elementary_? Eduardo Julio Dubuc
2016-11-09  9:13   ` Giraud_Elementary_? henry

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