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From: grandis@dima.unige.it (Marco Grandis)
To: categories@mta.ca
Subject: Errata corrige to my previous message
Date: Fri, 19 Mar 1999 09:27:02 +0100	[thread overview]
Message-ID: <v02140b01b317b8fe2e00@[130.251.60.169]> (raw)

In my previous reply to F. Lamarche's question, please take off from the
last line of Remark 1:

"   (or cardinals as well)   ".

The site of cardinals  1, 2  also has the non-trivial involution  2 -> 2;
its topos of presheaves is
"INVOLUTIVE reflexive graphs" (which is also of interest in homotopy, of
course).

M. Grandis





                 reply	other threads:[~1999-03-19  8:27 UTC|newest]

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