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authorAndreas Grois <andi@grois.info>2025-01-07 23:32:53 +0100
committerAndreas Grois <andi@grois.info>2025-01-07 23:32:53 +0100
commit2390fe0a2fbbdd283d21049a1e997026d7d1948c (patch)
tree2e529367592943cd38a04e0a87fc3f22a87b4cc8 /Common
parent4749b3ca572618fa1a7cdb17e2abba9b498279ca (diff)
Lean 4.15
Diffstat (limited to 'Common')
-rw-r--r--Common/Parsing.lean2
1 files changed, 1 insertions, 1 deletions
diff --git a/Common/Parsing.lean b/Common/Parsing.lean
index d68a313..91bb751 100644
--- a/Common/Parsing.lean
+++ b/Common/Parsing.lean
@@ -88,7 +88,7 @@ def RectangularGrid.set {grid : RectangularGrid Element} (coordinate : grid.Coor
{
grid with
elements := grid.elements.set index value
- size_valid := (grid.elements.size_set index value).substr grid.size_valid
+ size_valid := (grid.elements.size_set index value index.isLt).substr grid.size_valid
}
theorem RectangularGrid.set_same_size {grid : RectangularGrid Element} (coordinate : grid.Coordinate) (value : Element) : (grid.set coordinate value).width = grid.width ∧ (grid.set coordinate value).height = grid.height :=