Combining Texts

You have chosen 'On the Nature of Acquaintance' by Bertrand Russell, 'How to Define Theoretical Terms' by David Lewis and 'A Tour through Mathematical Logic' by Robert S. Wolf

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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