Admitted. (* QuickChick optimize_0plus_sound. *)

(* Specifications: *)
Theorem silly1 : forall ae, aeval ae = aeval ae.
Admitted. (* QuickChick silly1. *)
Theorem silly2 : forall (P : Prop), P -> P.
Admitted. (* Higher order *)
Lemma foo : forall n, leb 0 n = true.
Admitted. (* QuickChick foo. *)
Tactic Notation "simpl_and_try" tactic(c) :=
simpl;
try c.