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