A research of Ajax personality aspects in Ajax drama written by Sophocles according to fragment of Sophists: Protagoras

Ideas and believes of Sophists has been significant by philosophers. So that after of Plato, Socrates and Aristotle; some prominent scholars like: Guthrie, Leski, Al-Ahvaie, Hegel and others research on it in tow approach widely: first they research on Sophists by they fragment. And second that they follow of Sophists believe in Plato articles. Purpose of this research is what is the Ajax weakness of character according to fragment of Sophists in three approach: Low, God and the Power for answering to this question that: why the shield of Achilles not granted to Ajax?
According to this research it seems that Ajax weakness of character will be explanation by Sophists believes.