'(= (Door_Operator_Weight ?X) (+ (Door_Operator_Engine_Weight (Elevator.Door ?X)) (Door_Operator_Header_Weight (Elevator.Door ?X))))
(<= (Has-Constraint $X Door_Operator_Weight_C) (Elevator $X)) (Inherited-Slot-Value Elevator Has-Constraint Door_Operator_Weight_C) (Used-In-Constraint Door_Operator_Engine_Weight Door_Operator_Weight_C) (Used-In-Constraint Door_Operator_Header_Weight Door_Operator_Weight_C) (Used-In-Constraint Door_Operator_Weight Door_Operator_Weight_C)