Combining Texts

You have chosen 'The Psychophysical Nexus' by Thomas Nagel, 'Introduction of 'Essence of Christianity'' by Ludwig Feuerbach and 'Critique of Pure Reason' by Immanuel Kant

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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