Oedipus Rex reveals the prophecy which caused him to leave Corinth (791-93): "that I was fated to lie with my mother," "and show to daylight an accursed breed" "which men would not endure, and I was doomed" "to be murderer of the father that begot me." The implication of Laius's oracle is ambiguous. One interpretation considers that the presentation of Laius's oracle in this play differs from that found in Aeschylus's Oedipus trilogy produced in 467 BC. Helaine Smith argues: Sophocles had the option of making the oracle to Laius conditional ("if" Laius has a son, that son will kill him) or
Oedipus justice, and Oedipus himself cursed the killer of his wife's late husband, saying that he would be exiled. Creon also suggested that they try to find the blind prophet, Tiresias who was widely respected. Oedipus sent for Tiresias, who warned him not to seek Laius' killer. In a heated exchange, Tiresias was provoked into exposing Oedipus himself as the killer, and the fact that Oedipus was living in shame because he did not know who his true parents were. Oedipus angrily blamed Creon for the false accusations, and the two argued. Jocasta entered and tried to calm Oedipus by telling