Combining Texts

You have chosen 'Review of Tait 'Provenance of Pure Reason'' by Charles Parsons, 'Criterion of Validity in Reasoning' by Charles Sanders Peirce 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