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