Combining Texts

You have chosen 'Reply to 'Rorarius' 2nd ed' by Gottfried Leibniz, 'A Structural Account of Mathematics' by Charles Chihara and 'III.12 On physiognomy' by Michel de Montaigne

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All the ideas for Natural Theory, or select a subheading:
      A. Speculations on Nature
      B. Natural Kinds
      C. Causation
      D. Laws of Nature