Theorem isOpen_extChartAt_preimage'

Modification history

2024-02-01 10:54

Mathlib/Geometry/Manifold/SmoothManifoldWithCorners.lean

refactor(PartialHomeomorph): Remove explicit variable (x : M). (#10083) …

Modified isOpen_extChartAt_preimage'View on Github →

2023-06-05 05:02

Mathlib/Geometry/Manifold/SmoothManifoldWithCorners.lean

feat: port Geometry.Manifold.SmoothManifoldWithCorners (#4636)

Added isOpen_extChartAt_preimage'View on Github →