Theorem Decidable.iff_iff_not_or_and_or_not

Modification history

2022-09-08 18:38
Mathlib/Logic/Basic.lean
chore: bump std4 09-08 (#403) …
Deleted Decidable.iff_iff_not_or_and_or_notView on Github →
2021-08-18 12:36
Mathlib/Logic/Basic.lean
Merge branch 'master' of github.com:leanprover-community/mathlib4
Added Decidable.iff_iff_not_or_and_or_notView on Github →
2021-08-18 12:21
Mathlib/Logic/Basic.lean
feat(Util/Time): #time command
Deleted Decidable.iff_iff_not_or_and_or_notView on Github →
2021-08-17 10:02
Mathlib/Logic/Basic.lean
port remaining items from 'section propositional' in logic/basic (#36)
Added Decidable.iff_iff_not_or_and_or_notView on Github →