Theorem List.find?_not_eq_head?_dropWhile

Modification history

2025-02-10 14:34

Mathlib/Data/List/Basic.lean

chore: split Data.List.Basic (#21530) …

Modified List.find?_not_eq_head?_dropWhile View on Github →

2024-11-13 19:26

Mathlib/Data/List/Basic.lean

feat(Data/List/Basic): lemmas relating `find?` to `head` of `dropWhile` (#18473) …

Added List.find?_not_eq_head?_dropWhile View on Github →