From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/7289 Path: news.gmane.org!not-for-mail From: Ross Street Newsgroups: gmane.science.mathematics.categories Subject: Re: Bourbaki & category theory Date: Wed, 23 May 2012 07:45:16 +1000 Message-ID: References: Reply-To: Ross Street NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1337812295 24669 80.91.229.3 (23 May 2012 22:31:35 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 23 May 2012 22:31:35 +0000 (UTC) Cc: Staffan Angere , Colin McLarty To: Categories list Original-X-From: majordomo@mlist.mta.ca Thu May 24 00:31:34 2012 Return-path: Envelope-to: gsmc-categories@m.gmane.org Original-Received: from smtpx.mta.ca ([138.73.1.80]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1SXK5a-0001gg-EZ for gsmc-categories@m.gmane.org; Thu, 24 May 2012 00:31:30 +0200 Original-Received: from mlist.mta.ca ([138.73.1.63]:43643) by smtpx.mta.ca with esmtp (Exim 4.77) (envelope-from ) id 1SXK56-00051O-FI; Wed, 23 May 2012 19:31:00 -0300 Original-Received: from majordomo by mlist.mta.ca with local (Exim 4.71) (envelope-from ) id 1SXK57-0003jn-NX for categories-list@mlist.mta.ca; Wed, 23 May 2012 19:31:01 -0300 In-Reply-To: Precedence: bulk Xref: news.gmane.org gmane.science.mathematics.categories:7289 Archived-At: On 23/05/2012, at 3:25 AM, Colin McLarty wrote: > Prior to encountering category theory, Bourbaki had a notion of > isomorphism but no general notion of morphism. =20 Perhaps relevant (categories vs Bourbaki) is my memory that Sammy = Eilenberg=20 told me he and Chevalley invented the words injective, surjective and bijective (as pertaining to functions) while strolling along a beach. Also I heard Dieudonn=E9 admit that Bourbaki would have profited at = least from the=20 categorical notion of duality.=20 =3D=3DRoss= [For admin and other information see: http://www.mta.ca/~cat-dist/ ]