Oedipus 2

…

…Oedipus would kill his father and marry his mother by the oracle, he only stated what he knew was inevitable because of who Oedipus was. The sphinx's riddle was used by Sophocles to characterize Oedipus as a tragic man and as a parallel to his life. The riddle describes the 3 stages which Oedipus went through in his life. Also in answering the riddle Oedipus inevitable brought about his own tragic ending by a horrible discovery.