Combining Texts

You have chosen 'The Ages of the World' by Friedrich Schelling, 'From an Ontological Point of View' by John Heil and 'The Nature of Universals and Propositions' by G.F. Stout

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