From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/3180 Path: news.gmane.org!not-for-mail From: dusko Newsgroups: gmane.science.mathematics.categories Subject: Re: cracks and pots Date: Wed, 29 Mar 2006 11:23:06 -0800 Message-ID: NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 (Apple Message framework v746.2) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1241019139 7591 80.91.229.2 (29 Apr 2009 15:32:19 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 29 Apr 2009 15:32:19 +0000 (UTC) To: Categories Original-X-From: rrosebru@mta.ca Wed Mar 29 23:48:21 2006 -0400 Return-path: Envelope-to: categories-list@mta.ca Delivery-date: Wed, 29 Mar 2006 23:48:21 -0400 Original-Received: from Majordom by mailserv.mta.ca with local (Exim 4.52) id 1FOo7t-0000kb-4v for categories-list@mta.ca; Wed, 29 Mar 2006 23:47:13 -0400 Original-Sender: cat-dist@mta.ca Precedence: bulk X-Keywords: X-UID: 126 Original-Lines: 16 Xref: news.gmane.org gmane.science.mathematics.categories:3180 Archived-At: when i said > eg, if you look at grothendieck's work, he started working in > algebra, and ended up developing foundational structures, because > he needed them. i meant that he ended up working on toposes, fibrations, and descent (as foundational structures). i did not mean that he observed the grothendieck universes (which are perhaps foundational, but not much of a structure), as my hasty formulation had suggested to some people. sorry about the confusion (and about taking bandwidth to correct it), -- dusko