Theorem Option.forall_some_ne_iff_eq_none

Modification history

2024-07-03 13:56
Mathlib/Data/Option/Basic.lean
feat(Order/WithBot): add `forall_iff_eq_bot ` and `forall_iff_eq_top ` (#14169) …
Added Option.forall_some_ne_iff_eq_noneView on Github →