Combining Texts

You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'Fath and Love, or the King and Queen' by Novalis and 'On Plural Reference and Set Theory' by Helen Cartwright

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