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