Combining Texts

You have chosen 'Papers of 1918' by Bertrand Russell, 'Aristotle on Substance' by Mary Louise Gill and 'What We Owe to Each Other' by Thomas M. Scanlon

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All the ideas for Existence, or select a subheading:
      A. Nature of Existence
      B. Change in Existence
      C. Structure of Existence
      D. Theories of Reality
      E. Categories