'(>= (Counterweight_Weight_Limit (Elevator.Counterwtguiderail ?X)) (Counterweight_Weight ?X))
(<= (Has-Constraint $X Counterweight_Guiderail_Unit_Weight_C) (Elevator $X)) (Inherited-Slot-Value Elevator Has-Constraint Counterweight_Guiderail_Unit_Weight_C) (Used-In-Constraint Counterweight_Weight Counterweight_Guiderail_Unit_Weight_C) (Used-In-Constraint Counterweight_Weight_Limit Counterweight_Guiderail_Unit_Weight_C)