Sociologist Slobodan Vukicevic, spoke about the relation between the order and freedom form the standpoint of #normative fact#. Vukicevic observe the relation between freedom, order and normative factfrom the standpoint of epistemology structure of  sciences of sociology as a whole: from the philosophic and normative - validity assumptions, from wide theoretical and theory knowledge brake-through verified by empiric researches up to practical and applied knowledge.