Combining Texts

You have chosen 'Moral Consciousness and Communicative Action' by Jürgen Habermas, 'Substitutional Classes and Relations' by Bertrand Russell and 'The soul's dependence on the body' by Galen

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