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Theorem nhds_within_Ioc_eq_nhds_within_Ioi

Modification history

2019-12-27 20:26
src/topology/algebra/ordered.lean
refactor(topology/algebra/ordered): use `tfae`, prove equality of some `nhds_within` (#1831) …
Added nhds_within_Ioc_eq_nhds_within_IoiView on Github →