(=> (Legal-Entity ?X)
(Or (Person ?X) (Corporation ?X) (Partnership ?X)))
(=> (Partner ?Partner) (Person ?Partner))
(<=> (Legal-Entity ?X)
(And (Eo-Entity ?X)
(Or (Person ?X) (Corporation ?X) (Partnership ?X))))
(<=> (Partner ?Partner)
(And (Person ?Partner)
(Actor ?Partner)
(Exists (?Partnership) (Partner-Of ?Partner ?Partnership))))