Theorem TopologicalSpace.Closeds.singleton_injective

Modification history

2025-11-25 09:05
Mathlib/Topology/Sets/Closeds.lean
chore(Topology/Sets/Closeds): add `Singleton` instance to enable `{·}` notation (#32020)
Modified TopologicalSpace.Closeds.singleton_injectiveView on Github →
2025-11-12 13:31
Mathlib/Topology/Sets/Closeds.lean
feat(Topology/Sets): injectivity of singleton map (#31379)
Added TopologicalSpace.Closeds.singleton_injectiveView on Github →