Combining Texts

You have chosen 'Principles of Nature and Grace based on Reason' by Gottfried Leibniz, 'Letters to Voetius' by Ren Descartes and 'New Foundations for Mathematical Logic' by Willard Quine

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All the ideas for Political Theory, or select a subheading:
      A. Basis of a State
      B. Nature of a State
      C. Ruling a State
      D. Ideologies