I'm also aware that the nature, role, and function of the Mosaic economy vs the Abrahamic covenant is one of the most debated isses in the history of Reformed theology. E.g., was the moral law given to Adam in the garden republished under Moses in an administrative, substantive, or typological way? The typological seems, to me, to make the most sense of the whole counsel of God. There are deeper questions too about its nature, role, and function *for those in Adam* vs. *for Christ* (Gal. 4) as well, with the pactum salutis in the background...