[Taxacom] Clade age (was: Taxacom Digest)
lists at curtisclark.org
Sat Nov 12 14:16:30 CST 2011
On 11/12/2011 8:28 AM, Lynn Raw wrote:
> OK, you don't like definitions but without them others do not always know what you mean. Maybe it is time to forget the theory, stop spending time arguing about the unknowable and start taking a far more pragmatic approach of identifying our co-passengers on the planet.
Words can certainly be defined, since humans construct them. Natural
phenomena can only usefully be described, since any definition can be
falsified with additional data.
On the other hand, all useful scientific inquiry is informed by theory,
either explicitly or implicitly, so it's useful to get our theories out
in the open so we can better understand preconceptions that might
Curtis Clark http://www.csupomona.edu/~jcclark/
Professor, Biological Sciences +1 909 979 6371
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