'(=< (Machine_Suspended_Load ?X) (Machine_Suspended_Load_Maximum (Elevator.Machine ?X)))
(<= (Has-Constraint $X C-47) (Elevator $X)) (Inherited-Slot-Value Elevator Has-Constraint C-47) (Used-In-Constraint Machine_Suspended_Load_Maximum C-47) (Used-In-Constraint Machine_Suspended_Load C-47)