(<= (Has-Parameter-Slot $X Crosshead_Deflection_Index) (Elevator $X)) (Inherited-Slot-Value Elevator Has-Parameter-Slot Crosshead_Deflection_Index) (Inherited-Facet-Value Slot-Value-Type Elevator Crosshead_Deflection_Index Real-Number) (Inherited-Facet-Value Slot-Cardinality Elevator Crosshead_Deflection_Index 1)