Combining Texts

You have chosen 'Nature and Observability of Causal Relations' by Curt Ducasse, 'The Origin of the Species' by Charles Darwin and 'Belief Truth and Knowledge' by David M. Armstrong

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All the ideas for Modes of Existence, or select a subheading:
      A. Relations
      B. Properties
      C. Powers and Dispositions
      D. Universals
      E. Nominalism