Combining Texts

You have chosen 'Human Flourishing, Ethics and Liberty' by Gilbert Harman, 'Aspects of Scientific Explanation' by Carl Hempel and 'Intro to 2nd ed of Principia Mathematica' by Bertrand Russell

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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