From newshub.ccs.yorku.ca!ists!helios.physics.utoronto.ca!news-server.ecf!utgpu!cs.utexas.edu!sun-barr!olivea!uunet!trwacs!erwin Tue Apr  7 23:22:45 EDT 1992
Article 4768 of comp.ai.philosophy:
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>From: erwin@trwacs.fp.trw.com (Harry Erwin)
Newsgroups: comp.ai.philosophy
Subject: Re: Does the euclidean algorithm 'understand' division ?
Keywords: meaning, understanding
Message-ID: <526@trwacs.fp.trw.com>
Date: 28 Mar 92 03:28:13 GMT
References: <ksv58dINN4te@exodus.Eng.Sun.COM> <1992Mar25.113534.27291@newshub.ccs.yorku.ca> <1992Mar26.162831.25632@saifr00.cfsat.honeywell.com>
Organization: TRW Systems Division, Fairfax VA
Lines: 12

Neurons are extremely conservative. They are seen in almost all metazoans.
There is some RNA sequencing evidence that they predate
multicellularization. (See Christen, Ratto, Baroin, Perasso, Grell, and
Adoutte, 1991. "Origin of Metazoans: a philogeny deduced from sequences of
the 28S ribosomal RNA," in Simonetta and Conway Morris, 1991. The early
evolution of Metazoa and the significance of problematic taxa, Cambridge
University Press.) 

Cheers,
-- 
Harry Erwin
Internet: erwin@trwacs.fp.trw.com


