Combining Texts

You have chosen 'Sententia on 'De Caelo'' by Thomas Aquinas, 'The Passions of the Soul' by Ren Descartes and 'Whitehead and the Rise of Modern Logic' by Willard Quine

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All the ideas for Objects, or select a subheading:
      A. Existence of Objects
      B. Unity of Objects
      C. Structure of Objects
      D. Essence of Objects
      E. Objects over Time
      F. Identity among Objects