proposition: Lemma take_ge : forall n l, (n >= length l) -> take n l = l.
proof: Proof. Proof using. intros. unfold take, length in *. applys~ LibList.take_ge. Qed.
imports: TLC(LibTactics LibLogic LibOperation LibReflect LibProd LibNat LibInt LibOption LibWf) TLC(LibInt)