If you have died with Christ to the spiritual forces of the world, why, as though you still belonged to the world, do you submit to its regulations:
20. If ye are dead. He had previously said, that the ordinances were fastened to the cross of Christ. (Colossians 2:14.) He now employs another figure of speech — that we are dead to them, as he teaches us elsewhere, that we are dead to the law, and the law, on the other hand, to us.
The apostle concludes the chapter with exhortations to proper duty, which he infers from the foregoing discourse. I. Here is a caution to take heed of judaizing teachers, or those who would impose upon Christians the yoke of the ceremonial law: Let no man therefore judge you in meat nor drink, etc., Col 2:16.
Commenting on Colossians 2:16-23
Wherefore if ye be dead with Christ,.... Or "seeing ye are dead with Christ"; for these words do not signify any doubt about it, but suppose it, and press what is taken for granted. They were dead with Christ by virtue of union to him; they being one with him, and considered in him as their head and representative, died in him, and with him...