Combining Texts

You have chosen 'Reply to Fourth Objections' by René Descartes, 'New system of communication of substances' by Gottfried Leibniz and 'The Logical Form of Action Sentences' by Donald Davidson

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