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