• Thrasymaque is a Sophiste which appears in the preamble to the Republic of Plato, while supporting vis-a-vis Socrate that the Juste corresponds to the intérèt of most extremely: " the natural right is the instrument of powerful to oppress weakest. "

• With Cumes, called Thrasymaque (it is not known if it is about the same man or of another), shift the Démocratie and founds a Oligarchie.

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