Combining Texts

You have chosen 'Aristotle and Descartes on Matter' by Gottfried Leibniz, 'De aequopollentia causae et effectus' by Gottfried Leibniz and 'Introduction to the Theory of Logic' by Jos L. Zalabardo

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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