Theorem iff_iff_implies_and_implies

Modification history

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