This article tries to understand the Sophocle's production questioning the traditional temporary demarcation of the Greek history in the Archaic Period (XII - VI B. C. ) and in the Classic Period (V - IV B. C. ), proposing the century V B. C. as transition among these periods. They are also analyzed some Aristotelian concepts that are supposed fundamental to understand the philosophical-educational dimension of the Sophocle's tragedy and, in this sense, to try to observe ethical elements in the actions of Oiedipus, starting from the tragedy King Oiedipus