Multiset.join_cons

∀ {α : Type u_1} (s : Multiset α) (S : Multiset (Multiset α)), (s ::ₘ S).join = s + S.join

Defined in: Mathlib.Data.Multiset.Bind
Cited by: 9 results in Mathlib
Foundations: Depth 56 from the axioms · uses propext, Classical.choice, Quot.sound

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