Combining Texts

You have chosen 'On Plural Reference and Set Theory' by Helen Cartwright, 'Virtues of the Mind' by Linda Trinkaus Zagzebski and 'Substance and Essence in Aristotle' by Charlotte Witt

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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