Combining Texts

You have chosen 'Letter to the Editor about Bayle' by Gottfried Leibniz, 'From Stimulus to Science' by Willard Quine and 'Theory of Knowledge (2nd ed 1977)' by Roderick Chisholm

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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