Mathlib Map

Theorems · Theorem · sequences and series

Multipliable.tendsto_cofinite_one

∀ {α : Type u_1} {G : Type u_4} [inst : TopologicalSpace G] [inst_1 : CommGroup G] [IsTopologicalGroup G] {f : α → G},
  Multipliable f → Filter.Tendsto f Filter.cofinite (nhds 1)

Product divergence test: if f is unconditionally multipliable, then f x tends to one along cofinite.

Defined in
Mathlib.Topology.Algebra.InfiniteSum.Group
Cited by
6 results in Mathlib
Foundations
Depth 83 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
TopologicalSpaceCommGroupIsTopologicalGroup

Around this declaration

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

Cites18

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

Cited by6

Results whose statement or proof uses this declaration.