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v3
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Mathlib v3 is deprecated.
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Theorem
is_open_ext_chart_at_source
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) …
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is_open_ext_chart_at_source
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