(Inherited-Facet-Value Slot-Value-Type Elevator Platform_Depth Real-Number) (Inherited-Facet-Value Slot-Cardinality Elevator Platform_Depth 1) (<= (Has-Parameter-Slot $X Platform_Depth) (Elevator $X)) (Inherited-Slot-Value Elevator Has-Parameter-Slot Platform_Depth) (Inherited-Facet-Value Slot-Value-Type Platform_Model Platform_Depth Real-Number) (Inherited-Facet-Value Slot-Cardinality Platform_Model Platform_Depth 1) (<= (Has-Parameter-Slot $X Platform_Depth) (Platform_Model $X)) (Inherited-Slot-Value Platform_Model Has-Parameter-Slot Platform_Depth)