Hi Chris,
I was making an inquiry, not a challenge.
As a practical matter, since I am a technical consultant for hire, I do not
always get to choose the formalism I work in, and I and the client have to
live with the consequences.
I have found a very few things that I had trouble expressing in FOL, and
they were not very important. These could have been failures of creativity
on my part. I put that in the note to see if others have had similar
problems.
Still, it would be interesting to me to have a catalog of "semantic
patterns" (whatever those might be) and their expression in FOL (or CLIF,
...). Do you agree with that?
Thanks, Jim (01)
-----Original Message-----
From: ontolog-forum-bounces@xxxxxxxxxxxxxxxx
[mailto:ontolog-forum-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Christopher
Menzel
Sent: Sunday, February 21, 2010 12:05 PM
To: [ontolog-forum]
Subject: Re: [ontolog-forum] Semantic patterns and logic expression (02)
On Feb 21, 2010, at 12:57 PM, Jim Rhyne wrote:
> I frequently have to define a semantic pattern, but find that it cannot be
expressed in the current versions of DL, or OWL Full, or in FOL. (03)
I'm afraid I don't believe you. :-) Can you give an example of a semantic
pattern you can't express in FOL? (You are of course correct about the
limitations of OWL-DL, but those exist by design in order to preserve
decidability.) (04)
Chris Menzel (05)
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