Theorems · Theorem · general topology
Topology.IsClosedEmbedding.closure_image_eq
∀ {X : Type u_1} {Y : Type u_2} {f : X → Y} [inst : TopologicalSpace X] [inst_1 : TopologicalSpace Y],
Topology.IsClosedEmbedding f → ∀ (s : Set X), closure (f '' s) = f '' closure s- Defined in
- Mathlib.Topology.Maps.Basic
- Cited by
- 3 results in Mathlib
- Foundations
- Depth 78 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites8
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
- Set.imagestatement · cited by 5,609
- closurestatement · cited by 1,254
- Topology.IsClosedEmbeddingstatement and proof · cited by 195
- Topology.IsClosedEmbedding.continuousproof · cited by 25
- Topology.IsClosedEmbedding.isClosedMapproof · cited by 19
- IsClosedMap.closure_image_eq_of_continuousproof · cited by 6
Cited by3
Results whose statement or proof uses this declaration.
- ContinuousMapZero.adjoin_id_denseproof · cited by 3
- Topology.IsClosedEmbedding.quasiSoberproof · cited by 1
- Stonean.extremallyDisconnected_preimageproof · cited by 1