(<= (Has-Subpart-Slot $X Elevator.Counterwtbuffer) (Elevator $X)) (Inherited-Slot-Value Elevator Has-Subpart-Slot Elevator.Counterwtbuffer) (Inherited-Facet-Value Slot-Value-Type Elevator Elevator.Counterwtbuffer Counterweight_Buffer_Model) (Inherited-Facet-Value Slot-Cardinality Elevator Elevator.Counterwtbuffer 1) (=> (Elevator.Counterwtbuffer $X $Y) (Counterweight_Buffer_Model $Y)) (=> (Elevator.Counterwtbuffer $X $Y) (Elevator $X))