Combining Texts

You have chosen 'What is the Basis of Moral Obligation?' by H.A. Prichard, 'The Value of Science' by Henri Poincar and 'Ordinary Objects' by Amie L. Thomasson

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