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Theorems · Theorem · group theory

multiset_prod_mem

∀ {B : Type u_3} {S : B} {M : Type u_4} [inst : CommMonoid M] [inst_1 : SetLike B M] [SubmonoidClass B M]
  (m : Multiset M), (∀ a ∈ m, a ∈ S) → m.prod ∈ S

Product of a multiset of elements in a submonoid of a CommMonoid is in the submonoid.

Defined in
Mathlib.Algebra.Group.Submonoid.BigOperators
Cited by
11 results in Mathlib
Foundations
Depth 60 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommMonoidSetLikeSubmonoidClass

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