Combining Texts

You have chosen 'Actualism and Possible Worlds' by Alvin Plantinga, 'Contrib to Critique of Hegel's Phil of Right' by Karl Marx and 'Mind and Its Place in Nature' by C.D. Broad

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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