Dear Ed,  (01)
> Rich Cooper wrote:
> > Adding Ian's extra category:
> >
> > -wholePart (individual,individual)
> >
> > to my previous email suggesting an ultra high level ontology basis,
> > see the modified ontology below.
>
> Does anyone know what wholePart means?  (02) 
[MW] I can help here. This is the classical mereological whole part
relation. 
>
> As I recall, some published paper on Whole-Part relationships
> identified
> 22 possible axioms (although many of them require a 4D universe to have
> meaning). So wholePart is a category of relations that have exactly
> which axioms in common? Are they all antisymmetric? are they all
> transitive? are they 'perdurant'? Etc.  (03) 
[MW] In his seminal Book "Parts: a study in ontology" Peter Simons
identified the axioms of classical mereology (it covers about a page). These
are all that is necessary for a 4D ontology (which he states explicitly).
Most of the rest of the book was about the complications that arise for 3D
ontologies (at the time he was a 3 Dimensionalist).  (04)
> 
> I don't doubt that the specification at least tries to define these
> things carefully. I do doubt that its definitions are axiomatic. But
> we are ill-advised to judge anything from a list of indented terms.
>
> (And Ian must be careful how much he publishes to this group, because
> such publication has the potential for violation of ISO copyright.)  (05) 
[MW] He is safe. This work is not part of any ISO standard (though it is
quite similar to ISO 15926).  (06)
Regards  (07)
Matthew West 
Information Junction
Tel: +44 560 302 3685
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