Combining Texts

You have chosen 'The Bhagavad Gita' by Anon (Bhag), 'The Actual and the Possible' by Alexander R. Pruss and 'What is the Basis of Moral Obligation?' by H.A. Prichard

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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