Combining Texts

You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'What Required for Foundation for Maths?' by John Mayberry and 'On Fate ('De fato')' by M. Tullius Cicero

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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