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Summary

• Function notions:
  • Image, injective, surjective, bijective.
  • Properties.
• Counting set elements:
  • Size of a finite set.
  • Countable sets, enumerations.
  • Comparing infinite sets.
  • Permutations.
• Embedding sets:
  • Homomorphisms, isomorphisms.
  • Examples, application for computing.