Theorem List.headI_nil

Modification history

2024-08-15 12:19

Mathlib/Data/List/Defs.lean

chore: cleanup in Mathlib/Init/* (#15188) …

Modified List.headI_nil View on Github →

2023-01-07 10:11

Mathlib/Init/Data/List/Basic.lean

chore: remove @[simp] from headI (#1407)

Added List.headI_nil View on Github →