This text, with its definitions of contract theories and political concepts and its treatment of constitutionalism builds, a link from Plato and Aristotle to the present. It compares Plato and Aristotle's principle points of agreement and disagreement including neglected and misunderstood concepts. Concluding that Plato and Aristotle are not too relevant to the modern scientific-industrial ago (and outdated with regard to women and slavery), but they...