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Theorem local_homeomorph.preimage_open_of_open_symm

Modification history

2021-03-29 23:43
src/topology/local_homeomorph.lean
feat(topology/local_homeomorph): add `is_image`, `piecewise`, and `disjoint_union` (#6804) …
Modified local_homeomorph.preimage_open_of_open_symmView on Github →
2020-07-15 00:57
src/topology/local_homeomorph.lean
feat(geometry/manifold/times_cont_mdiff): smooth functions between manifolds (#3387) …
Added local_homeomorph.preimage_open_of_open_symmView on Github →