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