Combining Texts

You have chosen 'A World of States of Affairs' by David M. Armstrong, 'Looking for Spinoza' by Antonio Damasio and 'Remarks on the definition and nature of mathematics' by Haskell B. Curry

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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