A Concept which is related to, but not broader or narrower than, this Concept.

This property is disjoint with , and (because it is a symmetric property) consequently also disjoint with . actually makes a stronger statement, and defines it as disjoint with —but that isn¦t possible to reason about in Owl (in reasonable time). Users of this ontology should take care not to use this property not to relate Concepts which are broader or narrower than each other, even transitively.