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PartialHomeomorph.extend_image_nhd_mem_nhds_of_boundaryless
Modification history
2024-01-27 11:43
Mathlib/Geometry/Manifold/SmoothManifoldWithCorners.lean
feat: four small lemmas about extended charts (#10001) …
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PartialHomeomorph.extend_image_nhd_mem_nhds_of_boundaryless
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