From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/5896 Path: news.gmane.org!not-for-mail From: =?iso-8859-1?Q?Joyal=2C_Andr=E9?= Newsgroups: gmane.science.mathematics.categories Subject: Equality and fibration Date: Mon, 31 May 2010 23:26:20 -0400 Message-ID: References: Reply-To: =?iso-8859-1?Q?Joyal=2C_Andr=E9?= NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1275395684 24672 80.91.229.12 (1 Jun 2010 12:34:44 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 1 Jun 2010 12:34:44 +0000 (UTC) To: "Categories list" Original-X-From: categories@mta.ca Tue Jun 01 14:34:41 2010 connect(): No such file or directory Return-path: Envelope-to: gsmc-categories@m.gmane.org Original-Received: from mailserv.mta.ca ([138.73.1.1]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1OJQg4-0006fL-UP for gsmc-categories@m.gmane.org; Tue, 01 Jun 2010 14:34:41 +0200 Original-Received: from Majordom by mailserv.mta.ca with local (Exim 4.61) (envelope-from ) id 1OJQEc-0002Bi-A2 for categories-list@mta.ca; Tue, 01 Jun 2010 09:06:18 -0300 Thread-Topic: Equality and fibration Thread-Index: AcsBHLJBuNt89qLlT8qeg9Mjl54A5wAHF83m Original-Sender: categories@mta.ca Precedence: bulk Xref: news.gmane.org gmane.science.mathematics.categories:5896 Archived-At: Dear category theorists, I have not been able to define the notion of Grothendieck fibration without using the equality relation between the objects of the base = category.=20 Can you? Andr=E9 [For admin and other information see: http://www.mta.ca/~cat-dist/ ]