Combining Texts

You have chosen 'Logic (Encyclopedia I)' by Georg W.F.Hegel, 'Intro to 2nd ed of Principia Mathematica' by Bertrand Russell and 'Causation and the Flow of Energy' by David Fair

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All the ideas for Reason, or select a subheading:
      A. Nature of Reason
      B. Laws of Thought
      C. Styles of Reason
      D. Definition
      E. Argument
      F. Fallacies