Combining Texts

You have chosen 'Counterpart theory and Quant. Modal Logic' by David Lewis, 'Giordano Bruno and Hermetic Tradition' by Frances A. Yates and 'There are no ordinary things' by Peter Unger

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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