(<= (Has-Parameter-Slot $X Counterweight_Weight_Limit) (Counterweight_Guiderail_Model $X)) (<= (Has-Parameter-Slot $X Counterweight_Guiderail_Unit_Weight) (Counterweight_Guiderail_Model $X)) (Inherited-Facet-Value Slot-Value-Type Elevator Elevator.Counterwtguiderail Counterweight_Guiderail_Model) (=> (Elevator.Counterwtguiderail $X $Y) (Counterweight_Guiderail_Model $Y))