Combining Texts

You have chosen 'works (all lost)' by Ariston, 'Cardinality, Counting and Equinumerosity' by Richard G. Heck and 'Identity and Existence in Logic' by C. Anthony Anderson

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