Combining Texts

You have chosen 'On Plural Reference and Set Theory' by Helen Cartwright, 'Understanding and Essence' by Anand Vaidya and 'A Note on the entscheidungsproblem' by Alonzo Church

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