From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/8655 Path: news.gmane.org!not-for-mail From: wlawvere Newsgroups: gmane.science.mathematics.categories Subject: Correction: Steve's legacy Date: Tue, 21 Jul 2015 23:29:03 -0300 Message-ID: Reply-To: wlawvere NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1437532398 7541 80.91.229.3 (22 Jul 2015 02:33:18 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 22 Jul 2015 02:33:18 +0000 (UTC) To: categories@mta.ca Original-X-From: majordomo@mlist.mta.ca Wed Jul 22 04:33:12 2015 Return-path: Envelope-to: gsmc-categories@m.gmane.org Original-Received: from smtp3.mta.ca ([138.73.7.19]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ZHjqI-0002Dn-O5 for gsmc-categories@m.gmane.org; Wed, 22 Jul 2015 04:33:10 +0200 Original-Received: from mlist.mta.ca ([138.73.1.63]:46256) by smtp3.mta.ca with esmtp (Exim 4.80) (envelope-from ) id 1ZHjpd-0005or-5r; Tue, 21 Jul 2015 23:32:29 -0300 Original-Received: from majordomo by mlist.mta.ca with local (Exim 4.71) (envelope-from ) id 1ZHjpf-0002SQ-IW for categories-list@mlist.mta.ca; Tue, 21 Jul 2015 23:32:31 -0300 Precedence: bulk Xref: news.gmane.org gmane.science.mathematics.categories:8655 Archived-At: The quadratic equation satisfied by the arrow graph is X^2 = X+2D, not X+2. [The generic dot D is not the terminal object 1 in this category. See p. 267 Conceptual Mathematics, 2nd edition.] Bill [For admin and other information see: http://www.mta.ca/~cat-dist/ ]