Combining Texts

You have chosen 'Two Problems of Epistemology' by Karl Popper, 'Intro to 'Provenance of Pure Reason'' by William W. Tait and 'Critique of the Gotha Program' by Karl Marx

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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