>
> So I don't think PhysicalObject + MentalObject is a partition of all
> possible
> things.
>
Nor do I. They are only two of a couple of dozen useful top-level
categories. The point I apparently didn't make was that 'abstract' is
mostly used only as meaning 'not 'physical' and does not in itself make a
very useful inheritable property. Do you have a necessary set of logical
properties you assign to 'abstract' things that are inherited down the type
hierarchy? (01)
Pat (02)
Patrick Cassidy
MICRA, Inc.
908-561-3416
cell: 908-565-4053
cassidy@xxxxxxxxx (03)
> -----Original Message-----
> From: ontolog-forum-bounces@xxxxxxxxxxxxxxxx [mailto:ontolog-forum-
> bounces@xxxxxxxxxxxxxxxx] On Behalf Of Jawit Kien
> Sent: Tuesday, May 12, 2009 1:48 PM
> To: [ontolog-forum]
> Subject: Re: [ontolog-forum] Ontology Project Organization:
>
> On Tue, May 12, 2009 at 11:35 AM, Patrick Cassidy <pat@xxxxxxxxx> wrote:
> > Jawit,
> >
> > Just a comment on one point you made:
> > [JK] >
> >> When I look over the distinctions, like Physical versus Abstract, I
> >> can only come up with a small number of inferences, and certainly
> nothing
> > that I
> >> would pay good money to have a person answer. It may be true that I
> can't
> > touch a
> >> mathematical formula, and that I can touch a doll accessory, but I'm
> not
> > going to
> >> pay anyone to make that specific inference on my behalf. This
> distinction
> > is one I
> >> agree the computer can record, but it can't make the distinction.
> And just
> >> who would pay someone to go classify all of creation SOLELY for that
> > distinction
> >> so the computer can use it in inferences ?
> >>
> >
> > The only two distinctions I find useful in the "abstract-physical"
> divide
> > do not actually use an 'abstract' catagory per se. A PhysicalObject
> is an
> > object with mass. This is useful, because specifying the mass can
> tell us
> > things about how an object may be perceived or handled. A
> MentalObject is
> > an object without mass that is created by the mind of some
> CognitiveAgent.
> > That also tells us useful things, and more useful things when we
> describe
> > how MentalObjects may be represented in symbolic form.
> >
> > Pat
> >
> > Patrick Cassidy
> > MICRA, Inc.
> > 908-561-3416
>
> When I am classifying things, I find the distinction Abstract-Physical
> is
> useful in lots of ways. I think of Abstract as describing Intangible
> things
> in general, from describing a configuration of switches or a ghost, to
> a mathematical formula. I wonder if it is worthwhile making the
> distinction
> between representable and not-representable. I can imagine an infinite
> series, but can only represent it as a set of values and some kind of
> generation process. So technically, the infinite series as itself is
> unrepresentable because I can't store infinity in a finite memory, but
> practically it is representable because at any one time you don't need
> to have it present in all of its infinite glory.
>
> Similarly, I can imagine something like "the ineffable lightness of
> being"
> as not being representable, (since ineffable by definition means
> non-understandable)
> but I can represent and store descriptions of this "thing", even if the
> thing
> itself can't be represented.
>
> So I don't think PhysicalObject + MentalObject is a partition of all
> possible
> things.
>
> JK
>
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