Combining Texts

You have chosen 'Counterpart theory and Quant. Modal Logic' by David Lewis, 'In Defense of Essentialism' by L.A. Paul and 'Infinity: Quest to Think the Unthinkable' by Brian Clegg

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