Combining Texts

You have chosen 'Review of Chihara 'Struct. Accnt of Maths'' by John P. Burgess, 'A Discourse on Method' by Ren Descartes and 'The Possibility of Metaphysics' by E.J. Lowe

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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