Species? was Re: Don't Constrain my Laws, Danny!

Matthew Hill (mhhill@WATARTS.UWATERLOO.CA)
Thu, 14 Sep 1995 10:00:56 -0400

On Thu, 14 Sep 1995, Danny Yee wrote:

Lost of Deletion
> But the point that Hull and Ghiselin (and indeed almost all modern
> philosophers of biology) are making in their classification of
> biological species as "individuals" rather than classes, is that no
> matter how many planets a species spreads to, its membership will
> still be defined by genealogy (biological species concept), and *not*
> by definition; hence they are not classes. Particular species are
Lots more deletion

Maybe I am a bit obtuse Danny but if membership of a species is defined
only by genealogy doesn't that make all animals (at least) members of the
same species? Sure there must be something else involved to make species
a meaningful concept.

Matthew Hill (mhhill@watarts.uwaterloo)