fact: Definition ProdBag_binsert (container : ProdBag) (item : TItem) := (binsert (Bag:=TBag_A) (fst container) item, binsert (Bag:=TBag_B) (snd container) item).
imports: Fiat.QueryStructure.Implementation.DataStructures.Bags.BagsInterface Fiat.QueryStructure.Implementation.DataStructures.Bags.BagsProperties