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-rw-r--r--src/ModularArithmetic/ExtendedBaseVector.v1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/ModularArithmetic/ExtendedBaseVector.v b/src/ModularArithmetic/ExtendedBaseVector.v
index fcd871aae..ef8c9716a 100644
--- a/src/ModularArithmetic/ExtendedBaseVector.v
+++ b/src/ModularArithmetic/ExtendedBaseVector.v
@@ -122,6 +122,7 @@ Section ExtendedBaseVector.
rewrite (map_nth_default _ _ _ _ 0) by omega.
apply base_matches_modulus; auto using limb_widths_nonnegative, limb_widths_match_modulus;
distr_length.
+ assumption.
} { (* i < length base, j >= length base, i + j >= length base *)
do 2 rewrite map_nth_default_base_high by omega.
remember (j - length base)%nat as j'.