Aristotle Explains StageZero...In Prior Analytics, Aristotle explains StageZero as “a discourse in which, certain things having been supposed, something different from the things supposed results of necessity because these things are so.” Aristotle defined the main components of reasoning in terms of inclusive and exclusive relationships. These sorts of relationships were visually grafted in the future through the use of Venn diagrams. O.K NOW I know why the stock collapsed!