1 files changed, 18 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/shouldsucceed/1774.v b/test-suite/bugs/closed/shouldsucceed/1774.v
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+++ b/test-suite/bugs/closed/shouldsucceed/1774.v
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+Axiom pl : (nat -> Prop) -> (nat -> Prop) -> (nat -> Prop).
+Axiom plImp : forall k P Q,
+  pl P Q k -> forall (P':nat -> Prop),
+    (forall k', P k' -> P' k') -> forall (Q':nat -> Prop),
+      (forall k', Q k' -> Q' k') ->
+      pl P' Q' k.
+
+Definition nexists (P:nat -> nat -> Prop) : nat -> Prop :=
+  fun k' => exists k, P k k'.
+
+Goal forall k (A:nat -> nat -> Prop) (B:nat -> Prop),
+  pl (nexists A) B k.
+intros.
+eapply plImp.
+2:intros m' M'; econstructor; apply M'.
+2:intros m' M'; apply M'.
+simpl.
+Admitted.