Rationale Zahlen/Verschiedene Teilmengen/Schrankenbegriffe/Aufgabe/en

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Examine for each of the following subsets the concepts upper bound, lower bound, supremum, infimum, maximum and minimum.

  1. ,
  2. ,
  3. ,
  4. ,
  5. ,
  6. ,
  7. ,
  8. ,
  9. .