Combining Texts

You have chosen 'A Puzzle about Belief' by Saul A. Kripke, 'True in Theory, but not in Practice' by Immanuel Kant and 'On the Jewish Question' by Karl Marx

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All the ideas for Natural Reality, or select a subheading:
      A. Classical Physics
      B. Modern Physics
      C. Space
      D. Time
      E. Cosmology
      F. Chemistry
      G. Biology