Article View: sci.logic
Article #4Re: Are all crows black?
From: Cameron Randale Bass
Date: Tue, 27 Oct 1992 06:15
Date: Tue, 27 Oct 1992 06:15
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In article <BwrLMH.B6y@usenet.ucs.indiana.edu> chalmers@bronze.ucs.indiana.edu (David Chalmers) writes:
>In article <1992Oct24.135558.15100@oracorp.com> daryl@oracorp.com (Daryl McCullough) writes:
>
>>In terms of falsification, you could just as well have said "All
>>non-black things are non-crows". In this form, to test the theory, you
>>would look for a non-black thing which is not a non-crow. Getting rid
>>of the double-negatives, once again we find that we are looking for
>>a non-black crow.
>>
>>So, while the process of establishing a law by induction seems to
>>allow a green tie to be evidence for "all crows are black", the
>>process of attempting to falsify the law doesn't allow such
>>irrelevancies to count as evidence.
>
>Hang on. To falsify this, we're looking for crowish non-black things,
>right? I happened across a non-black thing (that green thing in my
>closet), and it turned out not to be a crow (in fact, it was a tie).
>Doesn't that mean my attempt to falsify failed, and that this should
>be counted as evidence.
It has been argued that such inductive reasoning is not proper
for science.
dale bass
--
C. R. Bass crb7q@virginia.edu
Department of Mechanical and Aerospace Engineering
University of Virginia
Charlottesville, Virginia (804) 924-7926
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Newsgroups: sci.logic,sci.physics Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!caen!uvaarpa!murdoch!kelvin.seas.Virginia.EDU!crb7q From: crb7q@kelvin.seas.Virginia.EDU (Cameron Randale Bass) Subject: Re: Are all crows black? Message-ID: <1992Oct27.061507.13124@murdoch.acc.Virginia.EDU> Sender: usenet@murdoch.acc.Virginia.EDU Organization: University of Virginia References: <1992Oct24.135558.15100@oracorp.com> <BwrLMH.B6y@usenet.ucs.indiana.edu> Date: Tue, 27 Oct 1992 06:15:07 GMT Lines: 29