Theorem Option.is_none_iff_eq_none

Modification history

2023-01-03 22:15
Mathlib/Data/Option/Defs.lean
chore: fix more casing errors per naming scheme (#1232) …
Deleted Option.is_none_iff_eq_noneView on Github →
2022-10-26 09:33
Mathlib/Data/Option/Defs.lean
feat: port Data.Option.Defs (#504)
Added Option.is_none_iff_eq_noneView on Github →