That which can enter into a legal contract. For the purposes of the Enterprise Ontology, this is equivalent to the union of Person, Corporation, and Partnership.
(=> (Legal-Entity ?X)
(Or (Person ?X) (Corporation ?X) (Partnership ?X)))
(<=> (Legal-Entity ?X)
(And (Eo-Entity ?X)
(Or (Person ?X) (Corporation ?X) (Partnership ?X))))
(=> (Customer ?X) (Legal-Entity ?X))
(=> (Shareholder ?Legal-Entity) (Legal-Entity ?Legal-Entity))
(=> (Stakeholder ?Stakeholder)
(Or (Legal-Entity ?Stakeholder)
(Organisational-Unit ?Stakeholder)))
(<=> (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)))))
(<=> (Shareholder ?Legal-Entity)
(And (Legal-Entity ?Legal-Entity)
(Actor ?Legal-Entity)
(Exists (?Shareholding)
(Shareholder-Of ?Shareholding ?Legal-Entity))))
(<=> (Stakeholder ?Stakeholder)
(And (Actor ?Stakeholder)
(Or (Legal-Entity ?Stakeholder)
(Organisational-Unit ?Stakeholder))
(Exists (?Organisational-Unit)
(Holds-Stake-In ?Stakeholder ?Organisational-Unit))))
(Or (Legal-Entity ?Stakeholder) (Organisational-Unit ?Stakeholder))