Mathlib Map

Theorems · Theorem · group theory

prod_mem

∀ {B : Type u_3} {S : B} {M : Type u_4} [inst : CommMonoid M] [inst_1 : SetLike B M] [SubmonoidClass B M] {ι : Type u_5}
  {t : Finset ι} {f : ι → M}, (∀ c ∈ t, f c ∈ S) → ∏ c ∈ t, f c ∈ S

Product of elements of a submonoid of a CommMonoid indexed by a Finset is in the submonoid.

Defined in
Mathlib.Algebra.Group.Submonoid.BigOperators
Cited by
16 results in Mathlib
Foundations
Depth 61 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommMonoidSetLikeSubmonoidClass

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Cites9

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by16

Results whose statement or proof uses this declaration.