The Legal-Entity offering a Good-Service-or-Money For-Sale in exchange for an Asking-Price.
(<=> (Vendor ?X)
(Or (Exists (?Sale) (Sale-Vendor ?Sale ?X))
(Exists (?For-Sale) (For-Sale-Vendor ?For-Sale ?X))))
(Inherited-Facet-Value Slot-Value-Type
For-Sale
For-Sale-Vendor
Legal-Entity)
(Inherited-Facet-Value Slot-Cardinality For-Sale For-Sale-Vendor 1)