From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/1084 Path: news.gmane.org!not-for-mail From: grandis@dima.unige.it (Marco Grandis) Newsgroups: gmane.science.mathematics.categories Subject: Errata corrige to my previous message Date: Fri, 19 Mar 1999 09:27:02 +0100 Message-ID: NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" X-Trace: ger.gmane.org 1241017555 29432 80.91.229.2 (29 Apr 2009 15:05:55 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 29 Apr 2009 15:05:55 +0000 (UTC) To: categories@mta.ca Original-X-From: cat-dist Fri Mar 19 12:07:05 1999 Original-Received: (from Majordom@localhost) by mailserv.mta.ca (8.9.3/8.9.3) id JAA15658 for categories-list; Fri, 19 Mar 1999 09:21:55 -0400 (AST) X-Authentication-Warning: mailserv.mta.ca: Majordom set sender to cat-dist@mta.ca using -f Original-Sender: cat-dist@mta.ca Precedence: bulk Original-Lines: 14 Xref: news.gmane.org gmane.science.mathematics.categories:1084 Archived-At: 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