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-rw-r--r--contrib/omega/Zcomplements.v2
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/omega/Zcomplements.v b/contrib/omega/Zcomplements.v
index 67b7751b3..470130b9b 100644
--- a/contrib/omega/Zcomplements.v
+++ b/contrib/omega/Zcomplements.v
@@ -84,7 +84,7 @@ Simpl; Do 2 Rewrite Zmult_n_1; Auto 1.
Unfold Zs.
Intros x0 Hx0; Repeat Rewrite Zmult_plus_distr_r.
Repeat Rewrite Zmult_n_1.
-Omega.
+Auto with zarith.
Unfold Zpred; Omega.
Save.