Combining Texts

You have chosen 'New Scientist articles' by New Scientist writers, 'Summa quaestionum super Sententias' by Peter John Olivi and 'Notice of Fine's 'Limits of Abstraction'' by R Cook / P Ebert

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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