Theorems · Theorem · general topology
ContinuousAt.snd
∀ {X : Type u} {Y : Type v} {Z : Type u_2} [inst : TopologicalSpace X] [inst_1 : TopologicalSpace Y]
[inst_2 : TopologicalSpace Z] {f : X → Y × Z} {x : X}, ContinuousAt f x → ContinuousAt (fun x => (f x).2) xPostcomposing f with Prod.snd is continuous at x
- Defined in
- Mathlib.Topology.Constructions.SumProd
- Cited by
- 9 results in Mathlib
- Foundations
- Depth 74 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites4
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- TopologicalSpacestatement and proof · cited by 24,529
- ContinuousAtstatement and proof · cited by 697
- ContinuousAt.compproof · cited by 56
- continuousAt_sndproof · cited by 12
Cited by9
Results whose statement or proof uses this declaration.
- mapClusterPt_self_zpow_atTop_powproof · cited by 3
- mapClusterPt_self_zsmul_atTop_nsmulproof · cited by 3
- Real.continuousAt_rpow_of_neproof · cited by 2
- EuclideanGeometry.continuousAt_oangleproof · cited by 2
- NNReal.continuousAt_rpowproof · cited by 1
- integral_log_from_zero_of_posproof · cited by 1
- Complex.continuousAt_ofReal_cpowproof · cited by 1
- InnerProductGeometry.continuousAt_angleproof · cited by 1
- EuclideanGeometry.continuousAt_angleproof · cited by 0