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+Require Import SMTCoq.
+Require Import Bool.
+Local Open Scope int63_scope.
+
+Open Scope Z_scope.
+
+Parameter h : Z -> Z -> Z.
+Axiom h_Sm_n : forall x y, h (x+1) y =? h x y.
+
+Lemma h_1_0 :
+ h 1 0 =? h 0 0.
+Proof. verit_base h_Sm_n; vauto. Qed.