Theorems · Theorem · sequences and series

hasSum_subtype_iff_indicator

∀ {α : Type u_1} {β : Type u_2} [inst : AddCommMonoid α] [inst_1 : TopologicalSpace α] {f : β → α} {a : α} {s : Set β},
  HasSum (f ∘ Subtype.val) a ↔ HasSum (s.indicator f) a

Defined in

Mathlib.Topology.Algebra.InfiniteSum.Basic

Cited by

6 results in Mathlib

Foundations

Depth 83 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

AddCommMonoidTopologicalSpace