Combining Texts

You have chosen 'Mathematics and Indispensibility' by Elliott Sober, 'Review of Aron 'Our Knowledge of Universals'' by H.H. Price and 'Can Mechanisms Replace Laws of Nature?' by Bert Leuridan

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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