Combining Texts

You have chosen 'An Analysis of Knowledge and Valuation' by C.I. Lewis, 'Answer to 'What is Enlightenment?'' by Immanuel Kant and 'Frege on Extensions from Concepts' by Tyler Burge

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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