Combining Texts

You have chosen 'poems' by Pindar, 'Principle of Life and Plastic Natures' by Gottfried Leibniz and 'On the Nature of the Gods ('De natura deorum')' by M. Tullius Cicero

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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