Combining Texts

You have chosen 'Must We Believe in Set Theory?' by George Boolos, 'The Structure of Appearance' by Nelson Goodman and 'Building Blocks of Mathematical Logic' by Moses Schnfinkel

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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