Combining Texts

You have chosen 'Defending the Axioms' by Penelope Maddy, 'Structure of Scientific Revolutions (2nd ed)' by Thomas S. Kuhn and 'Modal Logics and Philosophy' by Rod Girle

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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