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equivalence_bag_semantics (184B)

      1 # Equivalence bag semantics
      2 
      3 Bag [query_equivalence] is [GI_complete] for [CQs] and [UCQs]
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      5 Up: [query_equivalence], [containment_bag_semantics]
      6 
      7 See also: [query_equivalence_problem]