'(And (>= (Machine_Efficiency ?X) 0.0) (=< (Machine_Efficiency ?X) 1.0))
(<= (Has-Constraint $X Machine_Efficiency_C01) (Machine_Model $X)) (Inherited-Slot-Value Machine_Model Has-Constraint Machine_Efficiency_C01) (Used-In-Constraint Machine_Efficiency Machine_Efficiency_C01)