In Poetics' by Aristotle, the author talks about what he feels are the conventions of any successful tragic play. With that in mind perhaps the greatest tragedy from his time period if not ever is Oedipus the King by Sophocles. It fits almost perfectly the majority of the criteria Aristotle sets and so has been considered by some scholars as the perfect tragedy.

The main criteria set by Aristotle involves the plot and the plays main character. According to Aristotle, for a tragedy to be both successful and effective there must be a reversal, a "change from one state of affairs to its exact opposite", and there must be recognition, "a change from ignorance to knowledge" on the part of the main character. The plot should not be simple, but complex, being able to garner feelings of fear and pity into the hearts of its audience. Finally the...