Theorem Option.elim_none_some

Modification history

2025-03-16 22:23
Mathlib/Data/Option/Basic.lean
chore(Data/Option): replace bad simp lemma `elim_none_some` (#22985) …
Modified Option.elim_none_someView on Github →
2022-11-22 07:59
Mathlib/Data/Option/Basic.lean
feat: add `fun x ↦ t` syntax (#617)
Modified Option.elim_none_someView on Github →
2022-11-07 03:58
Mathlib/Data/Option/Basic.lean
feat: port Data.Option.Basic (#493) …
Added Option.elim_none_someView on Github →