Multiset.count_union

∀ {α : Type u_1} [inst : DecidableEq α] (a : α) (s t : Multiset α),
  Multiset.count a (s ∪ t) = max (Multiset.count a s) (Multiset.count a t)

Defined in: Mathlib.Data.Multiset.UnionInter
Cited by: 6 results in Mathlib
Foundations: Depth 27 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: DecidableEq

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