Combining Texts

You have chosen 'Letters to Antoine Arnauld' by Gottfried Leibniz, 'From an Ontological Point of View' by John Heil and 'Sententia on 'Posterior Analytics'' by Thomas Aquinas

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