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Theorem
lower_topology.is_open_iff_generate_Ici_compl
Modification history
2023-01-21 10:44
src/topology/order/lower_topology.lean
feat(topology/order/lower_topology): Introduce the lower topology on a preorder (#17426) …
Added
lower_topology.is_open_iff_generate_Ici_compl
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