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Topology.ClosureCompl.mem_theFourteen_iff_isObtainable
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2025-09-02 18:25
Archive/Kuratowski.lean
feat(Archive): Kuratowski's closure-complement theorem (incl. sharpness) (#27090) …
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Topology.ClosureCompl.mem_theFourteen_iff_isObtainable
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