Theorem QuotientMap.restrictPreimage_isOpen

Modification history

2024-10-23 02:43
Mathlib/Topology/Constructions.lean
chore: Rename `QuotientMap` to `IsQuotientMap` (#18062) …
Deleted QuotientMap.restrictPreimage_isOpenView on Github →
2024-07-12 13:34
Mathlib/Topology/Constructions.lean
feat(Topology): restriction of a `QuotientMap` (#13228) …
Added QuotientMap.restrictPreimage_isOpenView on Github →