Combining Texts

You have chosen 'A Puzzle about Belief' by Saul A. Kripke, 'History of Ancient Art' by Johann Winckelmann and 'On the Law of War' by Francis de Vitoria

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