According to Aristotle, the importance of tragedy as a genre is to represent action. Therefore unity of action presumably has the strongest implications for the effectiveness of the work itself. Aristotle postulates that "a story, since it is the representation of action, should concern an action that is single and whole, with its numerous episodes structured in such a way that the displacement or removal of any one of them would disturb and displace the All". (Aristotle 27) and considers this statement imperative. A good plot, and therefore an effective tragedy, does not include events that are not connected to each other or specifically to the main plot. In theory, these unrelated events distract from the main action and dispel the tragic effect. According to Aristotle's definition, there should be no subplot in tragedy. For all events to be “necessary or [have] a probable connection with each other.” (Aristotle 27) there should be none that are not directly related to the main action. Once again, the unit allows the tragic effect to be concentrated, with the intention of allowing an increase in feelings of pity and