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RE: Philosophy (was Re: Cladistics)

Tom Holtz sent the following deliberate mistake:

>On the other hand, for some questions of particularly limited scope, it is
>possible to set up the problem so that one (and only one) solution is
>potentially correct.  Either fossil specimen A shared a more recent common
>ancestor with fossil specimen B than it did with C, or B and C shared a more
>recent common ancestor, or they all split off simultaneously from the same
>ancestor.  There are only these three possibilities...

Or A shared a more recent common ancestor with C.  Just wanted to show 
someone was paying attention.