Combining Texts

You have chosen 'New System and Explanation of New System' by Gottfried Leibniz, 'Formal and Material Consequence' by Stephen Read and 'Essential vs Accidental Properties' by Adolph Rami

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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