Combining Texts

You have chosen 'The Universe as We Find It' by John Heil, 'On the Conservation of Force' by Hermann von Helmholtz and 'Commentary on 'Posterior Analytics' by Jonathan Barnes

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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