Combining Texts

You have chosen 'Introduction to Mathematical Logic' by Michal Walicki, 'Letter to the Editor about Bayle' by Gottfried Leibniz and 'Why coherence is not enough' by James Van Cleve

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