'(= (Hoistway_Top_Landing_To_Underside_Machine_Beam ?X) (- (Hoistway_Overhead ?X) (Machine_Beam_Support_Bottom_To_Machine_Room_Top ?X)))
(<= (Has-Constraint $X Hoistway_Top_Landing_To_Underside_Machine_Beam_C) (Elevator $X)) (Inherited-Slot-Value Elevator Has-Constraint Hoistway_Top_Landing_To_Underside_Machine_Beam_C) (Used-In-Constraint Machine_Beam_Support_Bottom_To_Machine_Room_Top Hoistway_Top_Landing_To_Underside_Machine_Beam_C) (Used-In-Constraint Hoistway_Overhead Hoistway_Top_Landing_To_Underside_Machine_Beam_C) (Used-In-Constraint Hoistway_Top_Landing_To_Underside_Machine_Beam Hoistway_Top_Landing_To_Underside_Machine_Beam_C)