Combining Texts

You have chosen 'The Logic of Infinity' by Henri Poincaré, 'The Fourth Revolution' by Micklethwait,J/Wooldridge,A and 'What are Sets and What are they For?' by Oliver,A/Smiley,T

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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