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Commit 2022-10-15 10:55 e05f1302

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feat(topology/algebra/module/basic): a hyperplane is either closed or dense (#16782)

Estimated changes

Modified src/topology/algebra/module/basic.lean

added theorem linear_map.is_closed_or_dense_ker

added theorem submodule.is_closed_or_dense_of_is_coatom

Modified src/topology/algebra/module/finite_dimension.lean

added theorem linear_map.continuous_of_nonzero_on_open