Message 11

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To: Steve Rudd
Subject: Re: Patton Quotes 
Date: Wed, 09 Feb 2000 17:06:23 -0500
From: Andrew Arensburger


On Wed, 09 Feb 2000 16:58:12 EST, Steve Rudd wrote:
> >         What's a "kind"? How can I tell whether two animals are of the
> >same kind? How can I tell whether two animals are _not_ of the same
> >kind?
> 
> [Omitted at author's request]

	Actually, I was asking for a two-part definition, something of
the form

	"Given two animals, A and B, if A and B have property P, then
	A and B are of the same kind. If A and B have property Q, then
	A and B are of different kinds."

	You've supplied P: "A and B can reproduce" (with each other,
presumably). Could you please also tell me which property animals A
and B must exhibit to be considered members of different kinds?

	If you want to get really fancy, you might also address the
fact that your definition above does not say that you and I are of the
same kind. Ditto for paramecia and such.

> [Omitted at author's request]

	Do you mean the _name_ of a transitional fossil? (A sentence
is not a material object; it cannot contain a fossil any more than it
can contain a wheel.)

> [Omitted at author's request]

	I don't care for the stuff, myself. But you seemed to be
getting a bit hot under the collar there.

> [Omitted at author's request]

	Yes.

-- 
Andrew Arensburger, Systems guy		Center for Automation Research
arensb@cfar.umd.edu			University of Maryland
		     "I drank WHAT!?" -- Socrates
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