Combining Texts

You have chosen 'A Conversation: what is it? What is it for?st1=Gilles Deleuze' by , 'The Reasons of Love' by Harry G. Frankfurt and 'Principles of Nature and Grace based on Reason' by Gottfried Leibniz

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