Combining Texts

You have chosen 'The Character of Physical Law' by Richard P. Feynman, 'Logic as Semiotic: Theory of Signs' by Charles Sanders Peirce and 'A General Principle to Explain Laws of Nature' 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