Combining Texts

You have chosen 'Homeostasis, Species and Higher Taxa' by Richard Boyd, 'The New Institutional Theory of Art' by George Dickie and 'Intrinsic and Extrinsic Properties' by Ross P. Cameron

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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