Theorems · Theorem · general topology
TopologicalSpace.Fiber.sigmaIsoHom_apply
∀ {S : Type u_1} {Y : Type u_2} (f : S → Y) [inst : TopologicalSpace S] (x : (x : Function.Fiber f) × ↑↑x),
(TopologicalSpace.Fiber.sigmaIsoHom f) x =
match x with
| ⟨a, x⟩ => ↑x- Defined in
- Mathlib.Topology.FiberPartition
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 75 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.
Cites9
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coestatement and proof · cited by 62,936
- Setstatement · cited by 53,352
- TopologicalSpacestatement and proof · cited by 24,529
- Set.Elemstatement and proof · cited by 7,166
- Set.preimagestatement · cited by 4,946
- Set.rangestatement · cited by 4,705
- ContinuousMapstatement · cited by 2,491
- Function.Fiberstatement and proof · cited by 18
- TopologicalSpace.Fiber.sigmaIsoHomstatement and proof · cited by 3
Cited by1
Results whose statement or proof uses this declaration.
- TopologicalSpace.Fiber.sigmaIsoHom_injproof · cited by 0