From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/1513 Path: news.gmane.org!not-for-mail From: Kai Bruennler Newsgroups: gmane.science.mathematics.categories Subject: associative product in Set Date: Tue, 16 May 2000 03:52:41 -0700 Message-ID: <39212879.AE40DEF3@tcs.inf.tu-dresden.de> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1241017890 31600 80.91.229.2 (29 Apr 2009 15:11:30 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 29 Apr 2009 15:11:30 +0000 (UTC) To: categories@mta.ca Original-X-From: rrosebru@mta.ca Tue May 16 09:47:04 2000 -0300 Original-Received: (from Majordom@localhost) by mailserv.mta.ca (8.9.3/8.9.3) id JAA00955 for categories-list; Tue, 16 May 2000 09:45:52 -0300 (ADT) X-Authentication-Warning: mailserv.mta.ca: Majordom set sender to cat-dist@mta.ca using -f X-Mailer: Mozilla 4.72 [en] (X11; U; Linux 2.2.12-20 i586) X-Accept-Language: en Original-Sender: cat-dist@mta.ca Precedence: bulk Original-Lines: 11 Xref: news.gmane.org gmane.science.mathematics.categories:1513 Archived-At: Is there a binary product in the category of sets and functions that is "strictly associative", i.e. A x (B x C) = (A x B) x C and the associativity isomorphisms are equal to the identity? Thanks. Kai