a Relationship between two States Of Affairs whereby one State Of Affairs contributes to or facilitates the Achievement of the other State Of Affairs.
(=> (Critical-Success-Factor ?Csf) (And (Exists (?Actor) (Intended-Purpose ?Actor ?Csf)) (Exists (?Strategic-Purpose) (And (Strategic-Purpose ?Strategic-Purpose) (Help-Achieve ?Csf ?Strategic-Purpose)))))
(<=> (Sub-Plan-Of ?Sub-Plan ?Plan) (And (Plan ?Plan) (Plan ?Sub-Plan) (Exists (?Purpose ?Sub-Purpose) (And (Intended-Purpose ?Plan ?Purpose) (Intended-Purpose ?Sub-Plan ?Sub-Purpose) (Help-Achieve ?Sub-Purpose ?Purpose)))))