Theorems · Definition · general topology
ContinuousMap.equivFnOfDiscrete
{α : Type u_1} →
{β : Type u_2} →
[inst : TopologicalSpace α] → [inst_1 : TopologicalSpace β] → [DiscreteTopology α] → C(α, β) ≃ (α → β)The continuous functions from α to β are the same as the plain functions when α is discrete.
- Defined in
- Mathlib.Topology.ContinuousMap.Basic
- Cited by
- 5 results in Mathlib
- Foundations
- Depth 68 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites6
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coeproof · cited by 62,936
- TopologicalSpacestatement and proof · cited by 24,529
- Equivstatement · cited by 8,337
- ContinuousMapstatement and proof · cited by 2,491
- DiscreteTopologystatement and proof · cited by 373
- continuous_of_discreteTopologyproof · cited by 20
Cited by6
Results whose statement or proof uses this declaration.
- ContinuousMap.homeoFnOfDiscreteproof · cited by 6
- ContinuousMap.equivFnOfDiscrete_symm_applystatement · cited by 0
- ContinuousMap.toEquiv_homeoFnOfDiscretestatement · cited by 0
- ContinuousMap.equivFnOfDiscrete_symm_apply_applystatement and proof · cited by 0
- ContinuousMap.coe_equivFnOfDiscretestatement · cited by 0
- ContinuousMap.equivFnOfDiscrete_applystatement and proof · cited by 0