Theorem Option.bind_eq_none'

Modification history

2024-01-05 01:23
Mathlib/Data/Option/Basic.lean
chore: bump std4 dependency (#9426) …
Deleted Option.bind_eq_none'View on Github →
2022-11-07 03:58
Mathlib/Data/Option/Basic.lean
feat: port Data.Option.Basic (#493) …
Added Option.bind_eq_none'View on Github →