What prophecy is foretold about Oedipus?

The prophecy foretold about Oedipus is that he will kill his father and marry his mother. This central element of the play sets the stage for Oedipus's tragic fate. It is revealed to him and his parents that he is destined to commit these horrific acts, which ultimately lead to his downfall. The weight of this prophecy drives much of the action in the play, showcasing themes of fate, free will, and the tragic consequences of trying to escape one’s destiny. The inevitability of the prophecy creates a dramatic tension as Oedipus strives to avoid this fate, only to fulfill it unknowingly. This tragic irony is a hallmark of Greek tragedy, making the fulfillment of the prophecy a crucial aspect of Oedipus's story.