Combining Texts

You have chosen 'Identity in Substances and True Propositions' by Gottfried Leibniz, 'Predest.,God's foreknowledge and contingents' by William of Ockham and 'The Evolution of Logic' by William D. Hart

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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