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 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