Combining Texts

You have chosen 'A Discourse on Method' by René Descartes, 'On boundary numbers and domains of sets' by Ernst Zermelo and 'New System and Explanation of New System' by Gottfried Leibniz

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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