Theorem HasSubset.Subset.ssubset_of_mem_not_mem

Modification history

2025-05-25 12:30
Mathlib/Data/Set/Insert.lean
chore(*): not_mem/nmem -> notMem (#25159)
Deleted HasSubset.Subset.ssubset_of_mem_not_memView on Github →
2025-03-21 02:30
Mathlib/Data/Set/Insert.lean
feat(Set): lemmas about set difference (#22253) …
Added HasSubset.Subset.ssubset_of_mem_not_memView on Github →