Combining Texts

You have chosen 'Truth and the Past' by Michael Dummett, 'On Copernicanism and Relativity of Motion' by Gottfried Leibniz 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