Combining Texts

You have chosen 'On What Grounds What' by Jonathan Schaffer, 'Principles of Nature and Grace based on Reason' by Gottfried Leibniz and 'Papers of 1913' by Bertrand Russell

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All the ideas for Objects, or select a subheading:
      A. Existence of Objects
      B. Unity of Objects
      C. Structure of Objects
      D. Essence of Objects
      E. Objects over Time
      F. Identity among Objects