Combining Texts

You have chosen 'A Slim Book about Narrow Content' by Gabriel M.A. Segal, 'The Need for Roots' by Simone Weil and 'De Natura Corporis' by Gottfried Leibniz

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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