gt; &gt; &gt; &gt; &gt; Contains axioms and relations that apply to all classes that
&gt; &gt; &gt; &gt; &gt; define the level of structure, e.g. atom, molecule, cell,
&gt; &gt; &gt; &gt; &gt; organism.
&gt; &gt; &gt; &gt;
&gt; &gt; &gt; &gt;I'm not sure exactly what you mean here.  Do you envision
&gt; &gt; &gt; having a predicate
&gt; &gt; &gt; &gt;that would relate a class with a quantitative or qualitative
&gt; &gt; &gt; attribute
&gt; &gt; &gt; &gt;specifying the level of granularity of the class?  Thi