From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/6151 Path: news.gmane.org!not-for-mail From: Vaughan Pratt Newsgroups: gmane.science.mathematics.categories Subject: Re: Illusion and Forthrightness in Wikipedia Date: Mon, 13 Sep 2010 01:42:52 -0700 Message-ID: References: <730oimakP9232S03.1284336675@web03.cms.usa.net> Reply-To: Vaughan Pratt 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: dough.gmane.org 1284402606 20821 80.91.229.12 (13 Sep 2010 18:30:06 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Mon, 13 Sep 2010 18:30:06 +0000 (UTC) To: categories Original-X-From: majordomo@mlist.mta.ca Mon Sep 13 20:30:04 2010 Return-path: Envelope-to: gsmc-categories@m.gmane.org Original-Received: from smtpy.mta.ca ([138.73.1.139]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1OvDmz-0007Ax-Kw for gsmc-categories@m.gmane.org; Mon, 13 Sep 2010 20:30:01 +0200 Original-Received: from mlist.mta.ca ([138.73.1.63]:49384) by smtpy.mta.ca with esmtp (Exim 4.71) (envelope-from ) id 1OvDlo-0006ep-Ay; Mon, 13 Sep 2010 15:28:48 -0300 Original-Received: from majordomo by mlist.mta.ca with local (Exim 4.71) (envelope-from ) id 1OvDlk-0000FE-Vo for categories-list@mlist.mta.ca; Mon, 13 Sep 2010 15:28:45 -0300 In-Reply-To: <730oimakP9232S03.1284336675@web03.cms.usa.net> Precedence: bulk Xref: news.gmane.org gmane.science.mathematics.categories:6151 Archived-At: Incidentally the following postscript program produces the trefoil at http://boole.stanford.edu/Trefoil.jpg =====clip here======== %!PS /step { .01 exch 1 1 1 setrgbcolor 0 setlinewidth {/t exch def /r 4 3 t mul cos sub def 2 t mul sin r mul t sin 3 mul sub 2 t mul cos r mul t cos 3 mul add lineto currentpoint stroke moveto t 360 div 1 1 sethsbcolor 2 setlinewidth} for } def 36 36 scale 8.5 11 translate 0 0 moveto 0 360 step 1 -1 moveto 60 80 step showpage =====clip here======= [For admin and other information see: http://www.mta.ca/~cat-dist/ ]