t particular 
&gt; combination of philosophical perspectives to be 'good enough' for 
&gt; everyone to use for any reasonable purpose. Why do you think that 
&gt; people have been arguing about this for so long, if they felt that 
&gt; one or another position was 'good enough'? 

      The question, whether one defining vocabulary can be found to 
express any chosen perspective, does not require that every perspective be
accepted as true in the basic ontology.  A standard upper ontology can
be used to defin