Theorem not_or_intro

Modification history

2022-09-04 16:26
Mathlib/Init/Logic.lean
feat: depend on std4 (#397)
Deleted not_or_introView on Github →
2021-08-12 12:17
Mathlib/Init/Logic.lean
split out Lean 3 prelude items from Logic/Basic.lean to Init/Logic.lean (#34)
Modified not_or_introView on Github →
2021-05-09 22:49
Mathlib/Logic/Basic.lean
feat(Logic/Basic): import init.logic
Added not_or_introView on Github →