The Statesman is Plato's neglected political work, but it is crucial for an understanding of the development of his political thinking. In its presentation of the statesman's expertise, The Statesman modifies, as well as defending in original ways, this central theme of the Republic. This new translation makes the dialogue accessible to students of political thought and the introduction outlines the philosophical and historical background necessary for a political theory readership.
A normalization procedure is given for classical natural deduction with the standard rule of indirect proof applied to arbitrary formulas. For normal derivability and the subformula property, it is sufficient to permute down instances of indirect proof whenever they have been used for concluding a major premiss of an elimination rule. The result applies even to natural deduction for classical modal logic.
This is an English translation of four of Plato’s dialogue (Protagoras, Euthydemus, Hippias Major, and Cratylus) that explores the topic of sophistry and philosophy, a key concept at the source of Western thought. Includes notes and an introductory essay. Focus Philosophical Library translations are close to and are non-interpretative of the original text, with the notes and a glossary intending to provide the reader with some sense of the terms and the concepts as they were understood by Plato’s immediate audience.