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