Theorems · Theorem · group theory
AddSubgroup.val_finset_sum
Deprecated since 2026-04-08Use AddSubgroup.val_finsetSum instead.
∀ {ι : Type u_3} {G : Type u_4} [inst : AddCommGroup G] (H : AddSubgroup G) (f : ι → ↥H) (s : Finset ι),
↑(∑ i ∈ s, f i) = ∑ i ∈ s, ↑(f i)Alias of AddSubgroup.val_finsetSum.
- Defined in
- Mathlib.Algebra.Group.Subgroup.Finite
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 24 from the axioms · uses propext, Quot.sound
- Assumes
- AddCommGroup
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Cites5
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Finsetstatement · cited by 13,712
- AddCommGroupstatement · cited by 12,871
- Finset.sumstatement · cited by 5,195
- AddSubgroupstatement · cited by 3,232
- AddSubgroup.val_finsetSumproof · cited by 4
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