Combining Texts

You have chosen 'Notes on John Wilkins' by Gottfried Leibniz, 'Presentism and Properties' by John Bigelow and 'Intro to 2nd ed of Principia Mathematica' by Bertrand Russell

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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