Theorem Set.MapsTo.preimage_mem_nhdsWithin

Modification history

2025-10-30 16:30
Mathlib/Topology/ContinuousOn.lean
feat(Topology): split `Mathlib.Topology.ContinuousOn` (#31090) …
Modified Set.MapsTo.preimage_mem_nhdsWithinView on Github →
2024-11-11 16:21
Mathlib/Topology/ContinuousOn.lean
feat: add a lemma `Set.MapsTo.preimage_mem_nhdsWithin` (#18851)
Added Set.MapsTo.preimage_mem_nhdsWithinView on Github →