Theorem Set.not_subsingleton_iff

Modification history

2024-04-18 05:39

Mathlib/Data/Set/Basic.lean

chore: split `Subsingleton,Nontrivial` off of `Data.Set.Basic` (#11832) …

Modified Set.not_subsingleton_iff View on Github →

2022-12-12 01:34

Mathlib/Data/Set/Basic.lean

feat: port Data.Set.Basic (#892) …

Added Set.not_subsingleton_iff View on Github →