Combining Texts

You have chosen 'The Evolution of Logic' by William D. Hart, 'Mathematics and Indispensibility' by Elliott Sober and 'The Right and the Good' by W. David Ross

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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