Combining Texts

You have chosen 'Problems in Personal Identity' by James Baillie, 'Moral Arguments' by Philippa Foot and 'Nature and Observability of Causal Relations' by Curt Ducasse

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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