Combining Texts

You have chosen 'Philosophical Logic: Intro to Advanced Topics' by Engelbretsen,G/Sayward,C, 'On boundary numbers and domains of sets' by Ernst Zermelo and 'Letter to Bramhall' by Thomas Hobbes

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