Oedipus Rex unconditional (Laius "will" have a son who will kill him). Both Aeschylus and Euripides write plays in which the oracle is conditional; Sophocles ... chooses to make Laius's oracle unconditional and thus removes culpability for his sins from Oedipus, for he could not have done other than what he did, no matter what action he took. This interpretation is supported by Jocasta's repetition of the oracle at lines 854–55: "Loxias declared that the king should be killed by/ his own son." In the Greek, Jocasta uses the verb "chrênai": "to be fated, necessary." This iteration of the oracle seems to
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