Combining Texts

You have chosen 'The Value of Science' by Henri Poincaré, 'Title, Unity, Authenticity of the 'Categories'' by Michael Frede and 'Our Knowledge of Mathematical Objects' by Kit Fine

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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