From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/3473 Path: news.gmane.org!not-for-mail From: Andrej Bauer Newsgroups: gmane.science.mathematics.categories Subject: Re: Characterization of integers as a commutative ring with unit Date: Thu, 26 Oct 2006 22:26:17 +0200 Message-ID: NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-2; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1241019328 8917 80.91.229.2 (29 Apr 2009 15:35:28 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 29 Apr 2009 15:35:28 +0000 (UTC) To: categories@mta.ca Original-X-From: rrosebru@mta.ca Thu Oct 26 21:39:05 2006 -0300 Return-path: Envelope-to: categories-list@mta.ca Delivery-date: Thu, 26 Oct 2006 21:39:05 -0300 Original-Received: from Majordom by mailserv.mta.ca with local (Exim 4.61) (envelope-from ) id 1GdFhE-0002wc-Ta for categories-list@mta.ca; Thu, 26 Oct 2006 21:35:41 -0300 Original-Sender: cat-dist@mta.ca Precedence: bulk X-Keywords: X-UID: 36 Original-Lines: 9 Xref: news.gmane.org gmane.science.mathematics.categories:3473 Archived-At: I would like to thank all 11 people who pointed out that Z _is_ the initial unital ring. I forgot to take into account that homomorphisms of unital rings map 1 to 1, so the trivial ring is not initial (and Z is). Thank you for being kind even though I asked a trivial questions. Andrej