Combining Texts

You have chosen 'New System and Explanation of New System' by Gottfried Leibniz, 'Letters to Antoine Arnauld' by Gottfried Leibniz and 'The Sovereignty of Good' by Iris Murdoch

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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