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Theorem mem_closure_iff_nhds_basis

Modification history

2021-10-16 18:01
src/topology/basic.lean
feat(topology/G_delta): add lemmas, minor golf (#9742) …
Modified mem_closure_iff_nhds_basisView on Github →
2020-02-06 12:20
src/topology/basic.lean
refactor(topology/basic): rewrite some proofs using filter bases (#1967)
Added mem_closure_iff_nhds_basisView on Github →