Combining Texts

You have chosen 'Letters to Wagner' by Gottfried Leibniz, 'What Does It Take to Refer?' by Kent Bach and 'Defining 'Intrinsic' (with Rae Langton)' by David Lewis

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