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-rw-r--r--src/Util/ZRange/BasicLemmas.v4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/Util/ZRange/BasicLemmas.v b/src/Util/ZRange/BasicLemmas.v
index 11441225e..83dbcde7e 100644
--- a/src/Util/ZRange/BasicLemmas.v
+++ b/src/Util/ZRange/BasicLemmas.v
@@ -189,4 +189,8 @@ Module ZRange.
Lemma is_bounded_by_bool_constant v
: is_bounded_by_bool v (ZRange.constant v) = true.
Proof. repeat t2_step. Qed.
+
+ Lemma is_bounded_by_bool_normalize_constant v
+ : is_bounded_by_bool v (ZRange.normalize (ZRange.constant v)) = true.
+ Proof. repeat t2_step. Qed.
End ZRange.