Theorem not_iff_not

Modification history

2025-04-12 23:52
Mathlib/Logic/Basic.lean
fix: remove undercover `open Classical`s (#23750) …
Modified not_iff_notView on Github →
2022-10-24 15:16
Mathlib/Logic/Basic.lean
feat: port Logic/Basic (#484) …
Modified not_iff_notView on Github →
2021-08-18 12:36
Mathlib/Logic/Basic.lean
Merge branch 'master' of github.com:leanprover-community/mathlib4
Added not_iff_notView on Github →
2021-08-18 12:21
Mathlib/Logic/Basic.lean
feat(Util/Time): #time command
Deleted not_iff_notView on Github →
2021-08-17 10:02
Mathlib/Logic/Basic.lean
port remaining items from 'section propositional' in logic/basic (#36)
Added not_iff_notView on Github →