Combining Texts

You have chosen 'The Logic of Infinity' by Henri Poincaré, 'Phenomenal and Perceptual Concepts' by David Papineau and 'Elucidation of some points in E.Schrder' by Gottlob Frege

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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