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ZFSet.not_mem_empty
Modification history
2025-05-25 12:30
Mathlib/SetTheory/ZFC/Basic.lean
chore(*): not_mem/nmem -> notMem (#25159)
Deleted
ZFSet.not_mem_empty
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2023-04-06 22:39
Mathlib/SetTheory/Zfc/Basic.lean
feat: port SetTheory.ZFC.Basic (#3165) …
Added
ZFSet.not_mem_empty
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