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      Scientific American October 1982

      Metamagical Themas, October 1982

      Variations on a theme as the essence of imagination

      • By Douglas R. Hofstadter on October 1, 1982

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      More in the October 1982 issue of Scientific American
      • 50 and 100 Years Ago: October 1982
      • Historical Eclipses
      • Magnetic Fluids
      View Full Contents
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