Combining Texts

You have chosen 'Universal Prescriptivism' by Richard M. Hare, 'On the Conservation of Force' by Hermann von Helmholtz and 'The Actual and the Virtual' by Gilles Deleuze

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