Combining Texts

You have chosen 'teaching' by Pythagoras, 'The Periodic Table' by Eric R. Scerri and 'De Ente et Essentia (Being and Essence)' by Thomas Aquinas

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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