Combining Texts

You have chosen 'The Identity of Indiscernibles' by Max Black, 'Lectures on the Principles of Political Obligation' by T.H. Green and 'The iterative conception of Set' by George Boolos

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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