Combining Texts

You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'The Value of Knowledge and the Pursuit of Understanding' by Jonathan Kvanvig and 'On Nature Itself (De Ipsa Natura)' 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