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Re: [ontolog-forum] Yet another ontology definition

To: ontolog-forum@xxxxxxxxxxxxxxxx
From: "John F. Sowa" <sowa@xxxxxxxxxxx>
Date: Mon, 28 Jun 2010 19:10:48 -0400
Message-id: <4C292BF8.8020608@xxxxxxxxxxx>
On 6/27/2010 3:34 AM, Alex Shkotin wrote:
> It would be nice to get your opinion.    (01)

I don't really know what you are asking or why.
But your examples are quite reasonable.    (02)

 > during our research under the title "Formal Geology" this kind
 > of definition arise:
 > Ontology is a [part of] formal theory having interpretation
 > in the real world.    (03)

By interpretation, I assume you mean a Tarski-style model theory
in which the axioms are evaluated in terms of the real world.
That is a very common assumption.    (04)

I assume that your sample axiom that begins "harzburgite(x) = "
has an implicit universal quantifier.  The use of numeric
functions and relations is common in first-order logic.    (05)

John Sowa    (06)

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