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Re: [ontolog-forum] Ontology of Rough Sets

To: ontolog-forum@xxxxxxxxxxxxxxxx
From: "John F. Sowa" <sowa@xxxxxxxxxxx>
Date: Mon, 17 Jan 2011 23:47:53 -0500
Message-id: <4D351B79.9050705@xxxxxxxxxxx>
On 1/17/2011 2:23 PM, AzamatAbdoullaev wrote:
> The issue of issues is how to classify the universe (world) of things.
> Or, which equivalence relation is most fundamental, and which equivalent
> classes constitute the fundamental set of ontological classes, mutually
> exclusive and collectively exhaustive.    (01)

The answers to those questions are simple:    (02)

Every classification depends on a purpose or point of view.
There are as many different classifications as there are
purposes -- i.e., infinite.    (03)

Some may be more fundamental than others (i.e., more useful
for a broader range of purposes), but there is no such thing
as a "most" fundamental one.    (04)

John    (05)

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