Combining Texts

You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'The Conquest of Happiness' by Bertrand Russell and 'Believing the Axioms I' by Penelope Maddy

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