Theorem Set.notMem_of_mem_diff

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_of_mem_diff View on Github →

2025-05-25 12:30

Mathlib/Data/Set/Basic.lean

chore(*): not_mem/nmem -> notMem (#25159)

Added Set.notMem_of_mem_diff View on Github →