Combining Texts

You have chosen 'Philosophical Logic: Intro to Advanced Topics' by Engelbretsen,G/Sayward,C, 'Mathematics: Form and Function' by Saunders MacLane and 'Abstract Objects:intro to Axiomatic Metaphysics' by Edward N. Zalta

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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