Theorem Sum.eq_left_getLeft_of_isLeft

Modification history

2023-09-12 23:50
Mathlib/Data/Sum/Basic.lean
chore: bump Std for #251 (#7126) …
Deleted Sum.eq_left_getLeft_of_isLeftView on Github →
2023-09-06 13:50
Mathlib/Data/Sum/Basic.lean
feat(Data/Sum/Basic): create direct versions of get(Left|Right)? analogous to Option.get (#6663)
Added Sum.eq_left_getLeft_of_isLeftView on Github →