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-rw-r--r--backends/lean/Base/Arith/Int.lean2
1 files changed, 1 insertions, 1 deletions
diff --git a/backends/lean/Base/Arith/Int.lean b/backends/lean/Base/Arith/Int.lean
index 59cdca25..6d27a35e 100644
--- a/backends/lean/Base/Arith/Int.lean
+++ b/backends/lean/Base/Arith/Int.lean
@@ -22,7 +22,7 @@ class HasIntProp (a : Sort u) where
prop : ∀ x:a, prop_ty x
/- Proposition with implications: if we find P we can introduce Q in the context -/
-class PropHasImp (x : Prop) where
+class PropHasImp (x : Sort u) where
concl : Prop
prop : x → concl