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Theorem
Set.notMem_compl_iff
Modification history
2025-07-03 15:35
Mathlib/Data/Set/Basic.lean
chore: move `BooleanAlgebra` material on `Set` out of `Data` (#26665) …
Modified
Set.notMem_compl_iff
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2025-05-25 12:30
Mathlib/Data/Set/Basic.lean
chore(*): not_mem/nmem -> notMem (#25159)
Added
Set.notMem_compl_iff
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