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Re: [ontolog-forum] Common Logic is now an International Standard

To: "Chris Menzel" <cmenzel@xxxxxxxx>, "[ontolog-forum] " <ontolog-forum@xxxxxxxxxxxxxxxx>
From: "Obrst, Leo J." <lobrst@xxxxxxxxx>
Date: Sat, 6 Oct 2007 19:49:44 -0400
Message-id: <9F771CF826DE9A42B548A08D90EDEA8002636950@xxxxxxxxxxxxxxxxx>
What's the difference between CL and IKL? Can you characterize the
differences? ;)    (01)

Thanks,
Leo     (02)


_____________________________________________ 
Dr. Leo Obrst       The MITRE Corporation, Information Semantics 
lobrst@xxxxxxxxx    Information Discovery & Understanding, Command and
Control Center
Voice: 703-983-6770 7515 Colshire Drive, M/S H305 
Fax: 703-983-1379   McLean, VA 22102-7508, USA     (03)


-----Original Message-----
From: ontolog-forum-bounces@xxxxxxxxxxxxxxxx
[mailto:ontolog-forum-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Chris
Menzel
Sent: Saturday, October 06, 2007 4:20 PM
To: [ontolog-forum] 
Subject: Re: [ontolog-forum] Common Logic is now an International
Standard    (04)

On Sat, Oct 06, 2007 at 09:12:02AM -0500, Pat Hayes wrote:
> >At risk of sounding like a compete geek (hard to deny if I am
> >answering email at 10:00 PM Friday night), could you please
summarize
> >what this work is?
> 
> Its a framework for defining logics, and a few useful logics
> pre-defined in the framework. The idea being that if you do describe
> your logic in this way, then it can be mechanically translated into
> any other logic also described this way, and they will have the same
> formal meaning. The logic in question is a very 'liberal' form of
> first-order logic, one that has a lot of unnecessary restrictions
> removed, so its can be used more ways that a more conventional
logical
> notation.    (05)

Indeed -- though one can also define CL "dialects" that put those
restrictions back, should they be useful or desirable for some reason.    (06)

-chris    (07)


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