Def TopologicalSpace.Closeds.singleton

Modification history

2025-11-25 09:05

Mathlib/Topology/Sets/Closeds.lean

chore(Topology/Sets/Closeds): add `Singleton` instance to enable `{·}` notation (#32020)

Deleted TopologicalSpace.Closeds.singleton View on Github →

2023-02-11 21:16

Mathlib/Topology/Sets/Closeds.lean

feat: port Topology.Sets.Closeds (#2216)

Added TopologicalSpace.Closeds.singleton View on Github →