From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/2912 Path: news.gmane.org!not-for-mail From: Andree Ehresmann Newsgroups: gmane.science.mathematics.categories Subject: Quasi-categories Date: Sat, 26 Nov 2005 18:42:05 +0100 Message-ID: NNTP-Posting-Host: main.gmane.org X-Trace: ger.gmane.org 1241018980 6335 80.91.229.2 (29 Apr 2009 15:29:40 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 29 Apr 2009 15:29:40 +0000 (UTC) To: TAC Original-X-From: rrosebru@mta.ca Sun Nov 27 21:03:12 2005 -0400 Return-path: Envelope-to: categories-list@mta.ca Delivery-date: Sun, 27 Nov 2005 21:03:12 -0400 Original-Received: from Majordom by mailserv.mta.ca with local (Exim 4.52) id 1EgXPb-0000RT-Pu for categories-list@mta.ca; Sun, 27 Nov 2005 21:02:31 -0400 Original-Sender: cat-dist@mta.ca Precedence: bulk X-Keywords: X-UID: 57 Original-Lines: 15 Xref: news.gmane.org gmane.science.mathematics.categories:2912 Archived-At: In answer to Carl Futia Charles Ehresmann has called such "gadgets" quasi-categories in "Introduction to the theory of structured categories" (Kansas 1966) reprinted in "Charles Ehresmann: Oeuvres completes et commentees" Part III-2. Sincerely Andree C. Ehresmann