Combining Texts

You have chosen 'Letters to Paul Pellison-Fontinier' by Gottfried Leibniz, 'Title, Unity, Authenticity of the 'Categories'' by Michael Frede and 'Much Ado About Nothing' by William Shakespeare

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All the ideas for Science, or select a subheading:
      A. Basis of Science
      B. Scientific Theories
      C. Induction
      D. Explanation