Theorem Set.insert_erase_invOn

Modification history

2025-02-09 06:38
Mathlib/Data/Set/Basic.lean
chore(Data/Set/Basic): split `insert` / `singleton` / `pair` to new file (#21567) …
Modified Set.insert_erase_invOnView on Github →
2025-01-20 15:19
Mathlib/Data/Set/Basic.lean
feat: the pairs `{t, insert a t}` are pairwise disjoint (#20062) …
Added Set.insert_erase_invOnView on Github →