'(=> (= (Door_Speed ?X) single) (= (Door_Speed_Code (Elevator.Door ?X)) ss))
(<= (Has-Constraint $X Door_Speed_Code_C03) (Elevator $X)) (Inherited-Slot-Value Elevator Has-Constraint Door_Speed_Code_C03) (Used-In-Constraint Door_Speed_Code Door_Speed_Code_C03) (Used-In-Constraint Door_Speed Door_Speed_Code_C03)