Combining Texts

You have chosen 'Intro to 'Modality and Tense'' by Kit Fine, 'The Nature and Communication of Substance' by Gottfried Leibniz and 'Elements of Set Theory' by Herbert B. Enderton

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