Combining Texts

You have chosen 'New System and Explanation of New System' by Gottfried Leibniz, 'Theory of Knowledge (2nd edn)' by Keith Lehrer and 'Introduction to Virtue Ethics' by Daniel Statman

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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