Theorems · Theorem · algebraic topology
ContinuousMap.HomotopyEquiv.contractibleSpace_iff
∀ {X : Type u_1} {Y : Type u_2} [inst : TopologicalSpace X] [inst_1 : TopologicalSpace Y]
(e : ContinuousMap.HomotopyEquiv X Y), ContractibleSpace X ↔ ContractibleSpace Y- Defined in
- Mathlib.Topology.Homotopy.Contractible
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 128 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites5
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
- ContinuousMap.HomotopyEquivstatement and proof · cited by 23
- ContractibleSpacestatement and proof · cited by 21
- ContinuousMap.HomotopyEquiv.symmproof · cited by 8
- ContinuousMap.HomotopyEquiv.contractibleSpaceproof · cited by 2
Cited by1
Results whose statement or proof uses this declaration.
- Homeomorph.contractibleSpace_iffproof · cited by 1