Combining Texts

You have chosen 'Logic (Encyclopedia I)' by Georg W.F.Hegel, 'Towards a Critique of Hegel's Philosophy' by Ludwig Feuerbach and 'First-Order Modal Logic' by M Fitting/R Mendelsohn

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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