to be valid to all intents and purposes, as part of the said Constitution;
Or do you need a refresher on Art 6 Para 2?
This Constitution, and the Laws of the United States which shall be made in Pursuance thereof; and all Treaties made, or which shall be made, under the Authority of the United States, shall be the supreme Law of the Land; and the Judges in every State shall be bound thereby, any Thing in the Constitution or Laws of any State to the Contrary notwithstanding.
Circular begging. States laws aren't contrary to restrictions on the powers delegated to Congress.