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Some concepts in law are inherently vague. This include concepts such as freedom, independence, unity and territorial integrity, that make the building blocks of article nine, an important and interesting article of the Islamic Republic of Iran's constitution. This paper investigates the implemen taion of article nine by modeling it using organizational theory, classical and fuzzy
logic. Sixteen different interpretations and models, are considered and the one with horizontal power relationship is chosen as a candidate for further investigations by law experts.