Def Decidable.of_not_not

Modification history

2021-08-11 18:47
Mathlib/Logic/Basic.lean
update lean to nightly-2021-08-11 (#32)
Deleted Decidable.of_not_notView on Github →
2021-05-09 22:49
Mathlib/Logic/Basic.lean
feat(Logic/Basic): import init.logic
Added Decidable.of_not_notView on Github →