A Relationship between a For-Sale and a Legal-Entity where by the Legal-Entity is specifically being offered the Product-For-Sale
(=> (Customer ?X)
(Or (Exists (?Sale) (Actual-Customer ?Sale ?X))
(Exists (?Potential-Sale)
(Potential-Customer ?Potential-Sale ?X))
(Exists (?Sale-Offer)
(Specified-Potential-Customer ?Sale-Offer ?X))))
(=> (Sale-Offer ?X)
(Exists (?Le) (Specified-Potential-Customer ?X ?Le)))
(<=> (Customer ?X)
(And (Legal-Entity ?X)
(Actor ?X)
(Or (Exists (?Sale) (Actual-Customer ?Sale ?X))
(Exists (?Potential-Sale)
(Potential-Customer ?Potential-Sale ?X))
(Exists (?Sale-Offer)
(Specified-Potential-Customer ?Sale-Offer ?X)))))
(<=> (Sale-Offer ?X)
(And (For-Sale ?X)
(Exists (?Le) (Specified-Potential-Customer ?X ?Le))))