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 wife, Oedipus' children are now by Jocasta. In the Second Olympians Ode Pindar wrote: "Laius' tragic son, crossing his father's path, killed him and fulfilled the oracle spoken of old at Pytho. And sharp-eyed Erinys saw and slew his warlike children at each other's hands. Yet Thersandros survived fallen Polyneikes and won honor in youthful contests and the brunt of war, a scion of aid to the house of Adrastos.". In 467 BC the Athenian playwright, Aeschylus, is known to have presented an entire trilogy based upon the Oedipus myth, winning the first prize at the City Dionysia. The First