Combining Texts

You have chosen 'Letters to Pierre Bayle' by Gottfried Leibniz, 'Unpublished Notebooks 1872-74' by Friedrich Nietzsche and 'The Periodic Table' by Eric R. Scerri

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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