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| author | Andreas Grois <andi@grois.info> | 2025-04-13 20:43:15 +0200 |
|---|---|---|
| committer | Andreas Grois <andi@grois.info> | 2025-04-13 20:43:15 +0200 |
| commit | 671ccf18e506398fd8eb65ebac92ec6d2fd03ccd (patch) | |
| tree | 593e38a09792d820917d8fdc9efecaf6ec67fe00 /Day16.lean | |
| parent | 8dbe99432db14b5f73585b9e34ecff6e61e76ca8 (diff) | |
Lean 4.17
Diffstat (limited to 'Day16.lean')
| -rw-r--r-- | Day16.lean | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -267,7 +267,7 @@ private theorem SeenExitDirections.countExitDirections_increasesWhenSet {table : unfold Parsing.RectangularGrid.Coordinate.toIndex at h₁ ⊢ unfold Array.set simp[←Array.foldl_toList] at h₁ ⊢ - rw[Array.getElem_eq_getElem_toList] at h₁ ⊢ + rw[←Array.getElem_toList] at h₁ ⊢ apply countExitDirections_increasesWhenSet_Aux assumption |