Combining Texts

You have chosen 'The Definition of Good' by A.C. Ewing, 'Notes on Comments by Fardella' by Gottfried Leibniz and 'The Actual and the Possible' by Alexander R. Pruss

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