Combining Texts

You have chosen 'Intro to Positive Philosophy' by Auguste Comte, 'Nominalism and Substitutional Quantifiers' by Ruth Barcan Marcus and 'What is the Basis of Moral Obligation?' by H.A. Prichard

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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