Combining Texts

You have chosen 'Set Theory and related topics (2nd ed)' by Seymour Lipschutz, 'Fourfold Root of Princ of Sufficient Reason' by Arthur Schopenhauer and 'Letter to Herodotus' by Epicurus

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All the ideas for Modes of Existence, or select a subheading:
      A. Relations
      B. Properties
      C. Powers and Dispositions
      D. Universals
      E. Nominalism