Theorem decide_eq_false_iff_not

Modification history

2022-09-08 18:38
Mathlib/Logic/Basic.lean
chore: bump std4 09-08 (#403) …
Deleted decide_eq_false_iff_notView on Github →
2021-07-12 11:40
Mathlib/Logic/Basic.lean
feat(Data/List/Card): add a theory of cardinality for lists (#25)
Added decide_eq_false_iff_notView on Github →