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Re: Keesey on a mathematical approach to defining clade names -- or -- Whatever Happened To Baby New Papers?

On 9/26/07, Mike Taylor <mike@indexdata.com> wrote:
> Fine for node-based clades, not so hot for branch- or apomorphy-based,
> nor for the more complex definition types encompassed by Mike's
> calculus.

A branch definition would not be difficult: we have just to *divide*
by the sister-group clade-number.

Other definitions could eventually be assigned by a graph operation.


Roberto Takata