Combining Texts

You have chosen 'Investigations in the Foundations of Set Theory I' by Ernst Zermelo, 'A Philosophy of Boredom' by Lars Svendsen and 'Letters to Jacques Lenfant' by Gottfried Leibniz

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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