Combining Texts

You have chosen 'Letters to Johann Bernoulli' by Gottfried Leibniz, 'The Sublime and the Good' by Iris Murdoch and 'The Theory of Logical Types' by Bertrand Russell

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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