Combining Texts

You have chosen 'Reply to Sixth Objections' by René Descartes, 'Why coherence is not enough' by James Van Cleve and 'A Thousand Small Sanities' by Adam Gopnik

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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