Combining Texts

You have chosen 'Syntagma' by Pierre Gassendi, 'Meaning and Necessity' by Rudolph Carnap and 'What are Sets and What are they For?' by Oliver,A/Smiley,T

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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