Combining Texts

You have chosen 'On the Goal (frags)' by Epicurus, 'The Gay (Joyful) Science' by Friedrich Nietzsche and 'Scientific Objectivity' by Reiss,J/Spreger,J

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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