Combining Texts

You have chosen 'Constitutional Code I' by Jeremy Bentham, 'Rules for the Direction of the Mind' by Ren Descartes and 'On the Reduction of Necessity to Essence' by Fabrice Correia

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All the ideas for Modality, or select a subheading:
      A. Necessity
      B. Possibility
      C. Sources of Modality
      D. Knowledge of Modality
      E. Possible worlds