Theorem not_not_em

Modification history

2022-09-08 18:38
Mathlib/Logic/Basic.lean
chore: bump std4 09-08 (#403) …
Deleted not_not_emView on Github →
2021-05-09 22:49
Mathlib/Logic/Basic.lean
feat(Logic/Basic): import init.logic
Added not_not_emView on Github →