Combining Texts

You have chosen 'Intro to Gödel's Theorems' by Peter Smith, 'Rearrangement of Particles' by David Lewis and 'Intro to 2nd ed of Principia Mathematica' by Bertrand Russell

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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