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-rw-r--r--test-suite/micromega/zomicron.v13
1 files changed, 11 insertions, 2 deletions
diff --git a/test-suite/micromega/zomicron.v b/test-suite/micromega/zomicron.v
index 2b40f6c9..3b246023 100644
--- a/test-suite/micromega/zomicron.v
+++ b/test-suite/micromega/zomicron.v
@@ -20,8 +20,17 @@ Proof.
lia.
Qed.
-Lemma omega_nightmare : forall x y, 27 <= 11 * x + 13 * y <= 45 -> 7 * x - 9 * y = 4 -> -10 <= 7 * x - 9 * y <= 4 -> False.
+Lemma omega_nightmare : forall x y, 27 <= 11 * x + 13 * y <= 45 -> -10 <= 7 * x - 9 * y <= 4 -> False.
Proof.
intros ; intuition auto.
lia.
-Qed.
+Qed.
+
+Lemma compact_proof : forall z,
+ (z < 0) ->
+ (z >= 0) ->
+ (0 >= z \/ 0 < z) -> False.
+Proof.
+ intros.
+ lia.
+Qed. \ No newline at end of file