Combining Texts

You have chosen 'Lectures on the History of Philosophy' by Georg W.F.Hegel, 'De modo distinguendi phaenomena' by Gottfried Leibniz and 'The General Theory of Employment' by Maynard Keynes

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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