Combining Texts

You have chosen 'On Anger (Book 3)' by Seneca the Younger, 'Logicism and Ontological Commits. of Arithmetic' by Harold Hodes and 'Critique of the Gotha Program' by Karl Marx

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