Theorem Set.mem_diff_singleton_empty

Modification history

2026-06-09 08:51
Mathlib/Order/BooleanAlgebra/Set.lean
chore: rename `diff` to `sdiff` (#40184) …
Deleted Set.mem_diff_singleton_emptyView on Github →
2025-07-05 02:43
Mathlib/Data/Set/Insert.lean
chore(Data/Set/Image): move `BooleanAlgebra` material to `Order` (#26763) …
Modified Set.mem_diff_singleton_emptyView on Github →
2025-02-09 06:38
Mathlib/Data/Set/Basic.lean
chore(Data/Set/Basic): split `insert` / `singleton` / `pair` to new file (#21567) …
Modified Set.mem_diff_singleton_emptyView on Github →
2022-12-12 01:34
Mathlib/Data/Set/Basic.lean
feat: port Data.Set.Basic (#892) …
Added Set.mem_diff_singleton_emptyView on Github →