Combining Texts

You have chosen 'The Sign of Four' by Arthur Conan Doyle, 'Predest.,God's foreknowledge and contingents' by William of Ockham and 'True Method in Philosophy and Theology' by Gottfried Leibniz

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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