Combining Texts

You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'Introduction to Mathematical Logic' by Michal Walicki and 'A Survey of Metaphysics' by E.J. Lowe

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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