Theorem List.getElem?_getD_singleton_default_eq

Modification history

2025-12-08 14:02
Mathlib/Data/List/GetD.lean
feat(Data/List/GetD): golf and add lemmas for `get` and `getElem?` (#30213)
Modified List.getElem?_getD_singleton_default_eqView on Github →
2024-07-01 02:54
Mathlib/Data/List/GetD.lean
chore: move toolchain to v4.10.0-rc1 and merge bump/v4.10.0 (#14311)
Added List.getElem?_getD_singleton_default_eqView on Github →