Combining Texts

You have chosen 'Action, Intention and Reason' by Robert Audi, 'A Universe from Nothing' by Lawrence M. Krauss and 'Change in View: Principles of Reasoning' by Gilbert Harman

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