Theorem ne_of_ssuperset

Modification history

2023-01-11 08:02
Mathlib/Order/RelClasses.lean
feat: A set is either a subsingleton or nontrivial (#1047) …
Modified ne_of_ssupersetView on Github →
2022-11-18 03:37
Mathlib/Order/RelClasses.lean
feat: port Order.RelClasses (#560) …
Added ne_of_ssupersetView on Github →