Combining Texts

You have chosen 'Notes on John Wilkins' by Gottfried Leibniz, 'Essence, Necessity and Explanation' by Kathrin Koslicki and 'On the General Idea of Proof Theory' by Dag Prawitz

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