Theorems · Theorem · general topology
eventuallyEq_nhdsWithin_iff
∀ {α : Type u_1} {β : Type u_2} [inst : TopologicalSpace α] {f g : α → β} {s : Set α} {a : α},
f =ᶠ[nhdsWithin a s] g ↔ ∀ᶠ (x : α) in nhds a, x ∈ s → f x = g x- Defined in
- Mathlib.Topology.NhdsWithin
- Cited by
- 3 results in Mathlib
- Foundations
- Depth 66 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- TopologicalSpace
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites7
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Setstatement and proof · cited by 53,352
- TopologicalSpacestatement and proof · cited by 24,529
- nhdsstatement · cited by 5,554
- Filter.Eventuallystatement · cited by 3,134
- nhdsWithinstatement · cited by 1,912
- Filter.EventuallyEqstatement · cited by 1,912
- Filter.mem_inf_principalproof · cited by 9
Cited by3
Results whose statement or proof uses this declaration.
- MeromorphicAt.congrproof · cited by 12
- MeromorphicAt.invproof · cited by 9
- Real.tendsto_sum_pi_div_fourproof · cited by 0