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- Newsgroups: comp.ai.philosophy
- Path: sparky!uunet!enterpoop.mit.edu!news.media.mit.edu!minsky
- From: minsky@media.mit.edu (Marvin Minsky)
- Subject: Re: Searle on animal consciousness
- Message-ID: <1993Jan25.061353.4583@news.media.mit.edu>
- Sender: news@news.media.mit.edu (USENET News System)
- Cc: minsky
- Organization: MIT Media Laboratory
- References: <dpn2.232.727891709@po.CWRU.Edu> <24JAN199317172344@ctrvx1.vanderbilt.edu> <1993Jan25.005814.12035@psych.toronto.edu>
- Date: Mon, 25 Jan 1993 06:13:53 GMT
- Lines: 23
-
- In article <1993Jan25.005814.12035@psych.toronto.edu> christo@psych.toronto.edu (Christopher Green) writes:
- >In article <24JAN199317172344@ctrvx1.vanderbilt.edu> diwadkva@ctrvx1.vanderbilt.edu (Vaibhav A. Diwadkar) writes:
- >>
- >> - On an added note, if evolution is indeed a continuous process,
- >> I wonder why it would give rise to discontinuous phenomenon like
- >> consciousness etc. By discontinuous I mean a case where only
- >> one species has it and noone else on the evolutionary continuum
- >> does.
- >>
- >I agree with your beliefs abount animal consciousness, but I think this
- >(common) line of evolutionary "reasoning" is spurious. What about the
- >"discontinuity" of cordates having central nervous systems? What about the
- >"discontinuity" of animals having the power of movement? What about the
- >eucaryotic "revolution". Evolution is full of "discontinuities" of this sort.
- >If it weren't, it would be damn hard to develop a taxonomy of life forms.
-
- That's a curious reply. The first two examples (central nervous, and
- movement) ignore lots of intermediate stages. And the final reason
- (about taxonomy) is strange because, "so what" if it were damn hard.
- In fact it *is* damn hard--and there's not much reason to think it can
- even be done, except heuristically.
-
- .
-