🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: csd.cmsc818z
Article #27

Re: Information Path Theorem

#27
From: Bill Arbaugh
Date: Thu, 09 Nov 2000 20:21
36 lines
2395 bytes
Bishop is correct. Look at the definition of ITP and the axioms for the
Ring Policy.

-------------------------------------------------------------------
Bill Arbaugh					www.cs.umd.edu/~waa
University of Maryland				     waa@cs.umd.edu
College Park					       301.405.2774
-------------------------------------------------------------------
On Thu, 9 Nov 2000, Arunesh Mishra wrote:

> Hi All,
> 
> Bishop mentions that the information path theorem holds
> for the Ring Policy. I think it cannot hold because a 
> subject can read from an object of much lower integrity
> (say 1) and write to a less lower integrity level (say 2 )
> thus violating the theorem !
>  Was this a typo or what I have written does not make
> sense ?
> 
> Arunesh.
> 
> 
> 
> 
> ------------------------------------------------------------------
> Arunesh Mishra                              First Year PhD Student
> Room 4140, A.V. Williams,                       arunesh@cs.umd.edu
> College Park, Md 20742.                    www.cs.umd.edu/~arunesh 
> University of Maryland                   Dept. of Computer Science
> ------------------------------------------------------------------
> 
> Be what you want to be !
> 
> 
Technical Details
Message-ID: <Pine.SOL.4.21.0011091519290.1258-100000@ringding.cs.umd.edu>
Path: arc1-ca.pugleaf.net!supernews.google.com!sn-xit-02!sn-xit-03!supernews.com!logbridge.uoregon.edu!newsfeed.mesh.ad.jp!sjc-peer.news.verio.net!news.verio.net!news.sanjose1.Level3.net!Level3.net!den-news-01.qwest.net!haven.umd.edu!cs.umd.edu!ringding.cs.umd.edu!waa
References: <Pine.SOL.4.21.0011091509070.22858-100000@wonka.cs.umd.edu>

Show Full Headers
Complete Article Headers
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 10f190,27b33aa239947559
X-Google-Attributes: gid10f190,public
X-Google-ArrivalTime: 2000-11-09 12:52:32 PST
Path: arc1-ca.pugleaf.net!supernews.google.com!sn-xit-02!sn-xit-03!supernews.com!logbridge.uoregon.edu!newsfeed.mesh.ad.jp!sjc-peer.news.verio.net!news.verio.net!news.sanjose1.Level3.net!Level3.net!den-news-01.qwest.net!haven.umd.edu!cs.umd.edu!ringding.cs.umd.edu!waa
From: Bill Arbaugh <waa@cs.umd.edu>
Newsgroups: csd.cmsc818z
Subject: Re: Information Path Theorem
Date: Thu, 9 Nov 2000 15:21:31 -0500
Organization: U of Maryland, College Park, MD 20742
Lines: 37
Message-ID: <Pine.SOL.4.21.0011091519290.1258-100000@ringding.cs.umd.edu>
References: <Pine.SOL.4.21.0011091509070.22858-100000@wonka.cs.umd.edu>
NNTP-Posting-Host: ringding.cs.umd.edu
Mime-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
X-Trace: cronkite.cs.umd.edu 973801294 3854 128.8.126.2 (9 Nov 2000 20:21:34 GMT)
X-Complaints-To: abuse@cs.umd.edu
NNTP-Posting-Date: 9 Nov 2000 20:21:34 GMT
To: Arunesh Mishra <arunesh@cs.umd.edu>
In-Reply-To: <Pine.SOL.4.21.0011091509070.22858-100000@wonka.cs.umd.edu>