it's not as outrageous as it sounds. It doesn't take many items in a
combination to make the number of possible combinations exceptionally
large. A list with 10 possible items placed in order has 3628800
possible combinations.
EB
On 1/23/08, John Harris <> wrote:
> That's a fairly large claim Andrew!! Maybe more than birders on
> B-A.......
>
> Yours in all things "green"
>
> Regards
>
> John Harris
> President, Victorian Association for Environmental Education (VAEE)
> Environmental Education Officer
> Donvale Christian College
> 155 Tindals Rd Donvale 3111
> 03 9844 2471
> 0409 090 955
>
>
> >>> Andrew Taylor <> 22/01/2008 10:06 pm >>>
> On Tue, Jan 22, 2008 at 08:14:25PM +1100, John Leonard wrote:
> > The ordering certainly isn't magical because the taxononist is
> trying
> > to put into a one dimensional list his/her conception of a three
> > dimensional set of relationships.
>
> To be pedantic a phylogentic tree isn't even two dimensional.
> Taxonomists do have a few choices to make when converting a taxonomic
> tree into a linear taxonomic order. Given a phylogentic tree the size
> of that for Australian birds, there are more possible taxonomic orders
> than there are atoms in the universes.
>
> Andrew
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--
Evan Beaver
Lapstone, Blue Mountains, NSW
lat=-33.77, lon=150.64
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