Combining Texts

You have chosen 'Inference to the Best Explanation (2nd)' by Peter Lipton, 'Reflections on Knowledge, Truth and Ideas' by Gottfried Leibniz and 'Naming and Necessity notes and addenda' by Saul A. Kripke

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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