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-rw-r--r--test-suite/bugs/2428.v10
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+Axiom P : nat -> Prop.
+
+Definition myFact := forall x, P x.
+
+Hint Extern 1 (P _) => progress (unfold myFact in *).
+
+Lemma test : (True -> myFact) -> P 3.
+Proof.
+ intros. debug eauto.
+Qed.