From mboxrd@z Thu Jan 1 00:00:00 1970
X-Msuck: nntp://news.gmane.io/gmane.science.mathematics.categories/4467
Path: news.gmane.org!not-for-mail
From: "Prof. Peter Johnstone"
Newsgroups: gmane.science.mathematics.categories
Subject: Re: Paper on slice stability in Locale Theory
Date: Wed, 6 Aug 2008 16:00:56 +0100 (BST)
Message-ID:
NNTP-Posting-Host: main.gmane.org
Mime-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
X-Trace: ger.gmane.org 1241019964 13436 80.91.229.2 (29 Apr 2009 15:46:04 GMT)
X-Complaints-To: usenet@ger.gmane.org
NNTP-Posting-Date: Wed, 29 Apr 2009 15:46:04 +0000 (UTC)
To: categories@mta.ca
Original-X-From: rrosebru@mta.ca Wed Aug 6 15:48:23 2008 -0300
Return-path:
Envelope-to: categories-list@mta.ca
Delivery-date: Wed, 06 Aug 2008 15:48:23 -0300
Original-Received: from Majordom by mailserv.mta.ca with local (Exim 4.61)
(envelope-from )
id 1KQo25-0000si-8n
for categories-list@mta.ca; Wed, 06 Aug 2008 15:46:49 -0300
Original-Sender: cat-dist@mta.ca
Precedence: bulk
X-Keywords:
X-UID: 2
Original-Lines: 14
Xref: news.gmane.org gmane.science.mathematics.categories:4467
Archived-At:
On Thu, 31 Jul 2008, Townsend, Christopher wrote:
> Feedback is welcome. For example, I have always attributed the result
> Loc/Y =3D Loc_Sh(Y) to Joyal and Tierney. Am I right?=20
>
I think it predates the Joyal--Tierney work by a couple of years.
It's (more or less) present in the long Fourman--Scott paper on
sheaves and logic in SLN 753 (the Proceedings of the 1977 Durham
symposium), but they don't claim originality for it.
Peter Johnstone