Combining Texts

You have chosen 'Ethics of Ambiguity' by Simone de Beauvoir, 'Phil of Mathematics and Natural Science' by Hermann Weyl and 'The Nature and Communication of Substance' by Gottfried Leibniz

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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