Combining Texts

You have chosen 'General Facts,Phys Necessity, and Metaph of Time' by Peter Forrest, 'Letters to Jacques Lenfant' by Gottfried Leibniz and 'New System and Explanation of New System' 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