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Theorem ext_chart_preimage_mem_nhds_within'

Modification history

2022-12-02 20:41
src/geometry/manifold/smooth_manifold_with_corners.lean
feat(geometry/manifold/smooth_manifold_with_corners): define local_homeomorph.extend (#17669) …
Deleted ext_chart_preimage_mem_nhds_within'View on Github →
2020-01-17 03:02
src/geometry/manifold/smooth_manifold_with_corners.lean
feat(geometry/manifold/mfderiv): derivative of functions between smooth manifolds (#1872) …
Added ext_chart_preimage_mem_nhds_within'View on Github →