Combining Texts

You have chosen 'Intro to Gödel's Theorems' by Peter Smith, 'The Reality of Numbers' by John Bigelow and 'Theory Change and the Indeterminacy of Reference' by Hartry Field

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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