Re: Are all crows black?

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#75

From: "Steve" Stevenson
Date: Wed, 04 Nov 1992 18:46

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skumar@eagle.wesleyan.edu writes:

>Please correct me if I am wrong but I think that if I found a creature which
>was like a crow in all respects but it was white in color, I would call it an
>albino crow or something. I would not call it just "a crow". Does this not mean
>that we accept "all crows are black" by definition so we need not prove it?

Isn't this the "grue" problem? The "grue" problem came about (if I remember
correctly) because all emeralds were green and believed by reputable scientists
that they could only be green. Then they found blue ones...

-- 
===============================================================================
Steve (really "D. E.") Stevenson           steve@hubcap.clemson.edu
Department of Computer Science,            (803)656-5880.mabell
Clemson University, Clemson, SC 29634-1906

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Newsgroups: sci.logic
Path: arc1-ca.pugleaf.net!sparky!uunet!gumby!destroyer!gatech!hubcap!steve
From: steve@hubcap.clemson.edu ("Steve" Stevenson)
Subject: Re: Are all crows black?
Message-ID: <1992Nov4.184630.3575@hubcap.clemson.edu>
Organization: Clemson University
References: <1992Oct30.172420.1@eagle.wesleyan.edu>
Date: Wed, 4 Nov 1992 18:46:30 GMT
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