Class *ATOMIC-WHOLE

The whole containing no proper parts: this concept is useful in domain ontologies which assume atomicity, say that there are irreducible objects in the domain (eg, an ontology for the storage of original, pre-packaged car accessories versus an ontology for car parts recycling dealers).
Subclass-Of: Object
The-Archetype: Reified-property
Axioms:
(Slot-Cardinality *Atomic-Whole _Atom 1)

(<=> (*Atomic-Whole ?Self)
     (And (Object ?Self) (Value-Cardinality ?Self _Atom 1)))