(=> (Planning-Assumption ?Planning ?Assumption) (Exists (?Doer) (And (Actor ?Doer) (Actually-Execute ?Doer ?Planning) (Assumed ?Doer ?Assumption))))
(<=> (Shareholder ?Legal-Entity) (And (Legal-Entity ?Legal-Entity) (Actor ?Legal-Entity) (Exists (?Shareholding) (And (Shareholding ?Shareholding) (Shareholder-Of ?Shareholding ?Legal-Entity))))) (<=> (Stakeholder ?Stakeholder) (And (Actor ?Stakeholder) (Or (Legal-Entity ?Stakeholder) (Organisational-Unit ?Stakeholder)) (Exists (?Organisational-Unit) (And (Organisational-Unit ?Organisational-Unit) (Holds-Stake-In ?Stakeholder ?Organisational-Unit))))) (<=> (Owner ?Owner) (And (Actor ?Owner) (Exists (?Ownership) (Owning-Actor ?Ownership ?Owner)))) (<=> (Partner ?Partner) (And (Person ?Partner) (Actor ?Partner) (Exists (?Partnership) (Partner-Of ?Partner ?Partnership)))) (<=> (Purpose-Holder ?Purpose-Holder) (And (Actor ?Purpose-Holder) (Exists (?Purpose) (Hold-Purpose ?Purpose-Holder ?Purpose))))