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