From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/7456 Path: news.gmane.org!not-for-mail From: Andrej Bauer Newsgroups: gmane.science.mathematics.categories Subject: Re: An internal definition in a realizability topos Date: Mon, 24 Sep 2012 15:02:38 -0400 Message-ID: References: Reply-To: Andrej Bauer NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: ger.gmane.org 1348619237 5882 80.91.229.3 (26 Sep 2012 00:27:17 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 26 Sep 2012 00:27:17 +0000 (UTC) To: categories list Original-X-From: majordomo@mlist.mta.ca Wed Sep 26 02:27:21 2012 Return-path: Envelope-to: gsmc-categories@m.gmane.org Original-Received: from smtpx.mta.ca ([138.73.1.134]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1TGfT9-0007HN-OH for gsmc-categories@m.gmane.org; Wed, 26 Sep 2012 02:27:15 +0200 Original-Received: from mlist.mta.ca ([138.73.1.63]:54495) by smtpx.mta.ca with esmtp (Exim 4.77) (envelope-from ) id 1TGfSI-0006es-1h; Tue, 25 Sep 2012 21:26:22 -0300 Original-Received: from majordomo by mlist.mta.ca with local (Exim 4.71) (envelope-from ) id 1TGfSJ-00055Q-9h for categories-list@mlist.mta.ca; Tue, 25 Sep 2012 21:26:23 -0300 In-Reply-To: Precedence: bulk Xref: news.gmane.org gmane.science.mathematics.categories:7456 Archived-At: > Note that Nabla(2) is definable as the object of not-not-stable truth > values, and that each Nabla(X) is also definable with a bit more work. This should have read "each Nabla([n]) is definable". [For admin and other information see: http://www.mta.ca/~cat-dist/ ]