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v3
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Mathlib v3 is deprecated.
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Theorem
is_open_map.of_nhds_le
Modification history
2021-01-15 10:58
src/topology/maps.lean
feat(analysis/calculus/inverse): a map that has an invertible strict derivative at every point is an open map (#5753) …
Added
is_open_map.of_nhds_le
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