From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/237 Path: news.gmane.org!not-for-mail From: jim stasheff Newsgroups: gmane.science.mathematics.categories Subject: Re: Where does the term monad come from? Date: Tue, 07 Apr 2009 11:10:41 -0400 Message-ID: Reply-To: jim stasheff NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1239147381 13900 80.91.229.12 (7 Apr 2009 23:36:21 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 7 Apr 2009 23:36:21 +0000 (UTC) To: Vaughan Pratt , categories@mta.ca Original-X-From: categories@mta.ca Wed Apr 08 01:37:40 2009 Return-path: Envelope-to: gsmc-categories@m.gmane.org Original-Received: from mailserv.mta.ca ([138.73.1.1]) by lo.gmane.org with esmtp (Exim 4.50) id 1LrKrM-0005Tw-0y for gsmc-categories@m.gmane.org; Wed, 08 Apr 2009 01:37:40 +0200 Original-Received: from Majordom by mailserv.mta.ca with local (Exim 4.61) (envelope-from ) id 1LrKHI-0002yx-GH for categories-list@mta.ca; Tue, 07 Apr 2009 20:00:24 -0300 Original-Sender: categories@mta.ca Precedence: bulk Xref: news.gmane.org gmane.science.mathematics.categories:237 Archived-At: Vaughan Pratt wrote: > Patrik Eklund wrote: >> "Operads" are like sets of operations. >> >> A monad is an extension of a functor. If the functor is the term >> functor, ... > endofunctor T: C --> C. > > Vaughan Pratt > Someone should up date the Wiki jim