Combining Texts

You have chosen 'Difference and Repetition' by Gilles Deleuze, 'fragments/reports' by Metrodorus (Lamp) and 'When Does a Life Begin?st3=Michael Lockwood' by

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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