Theorem Set.compl_ne_eq_singleton

Modification history

2026-10-13 14:51
Mathlib/Order/BooleanAlgebra/Set.lean
refactor(Data): make `Set` a one-field structure (#41506) …
Modified Set.compl_ne_eq_singletonView on Github →
2025-07-05 02:43
Mathlib/Data/Set/Insert.lean
chore(Data/Set/Image): move `BooleanAlgebra` material to `Order` (#26763) …
Modified Set.compl_ne_eq_singletonView 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.compl_ne_eq_singletonView on Github →
2022-12-12 01:34
Mathlib/Data/Set/Basic.lean
feat: port Data.Set.Basic (#892) …
Added Set.compl_ne_eq_singletonView on Github →