(* QuickChick Prelude *)
Set Warnings "-extraction-opaque-accessed,-extraction".
Set Warnings "-notation-overridden,-parsing".
Set Bullet Behavior "Strict Subproofs".
(* End prelude *)
Require Export Poly.
Admitted. (* Leo: OUT-OF-SCOPE *)
Admitted. (* Higher-order *)

Theorem silly3_firsttry : forall (n : nat),
n = 5 ->
beq_nat (S (S n)) 7 = true.