Combining Texts

You have chosen 'The Elm and the Expert' by Jerry A. Fodor, 'The Value of Science' by Henri Poincar and 'On Nature Itself (De Ipsa Natura)' 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