Combining Texts

You have chosen 'Letters to Queen Charlotte' by Gottfried Leibniz, 'Probability and Logic of Rational Belief' by Henry E. Kyburg Jr and 'A Serious Proposal to the Ladies I' by Mary Astell

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All the ideas for Natural Reality, or select a subheading:
      A. Classical Physics
      B. Modern Physics
      C. Space
      D. Time
      E. Cosmology
      F. Chemistry
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