Combining Texts

You have chosen 'The Bacchae' by Euripides, 'Aristotle and Kant on the Source of Value' by Christine M. Korsgaard and 'Counterpart theory and Quant. Modal Logic' by David Lewis

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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