1689 Federalism is the Particular Baptist understanding of the Covenant of Grace as stated in the Second London Confession of Faith of 1689. This particular view is distinct from the Westminster view that holds to the concept of one Covenant of Grace under two distinct administrations which are the Old and the New Covenants. From this view, the Westminster Confession allows the Old Covenant to define the Covenant of Grace (its nature, its stipulations, its blessings) and end up with a Covenant of Grace that is mixed (saved & unsaved) by nature because it includes the physical posterity of all those who profess faith. This understanding was perceived by the Particular Baptists to alter the nature of the New Covenant which is « not like » the Old Covenant (Jer. 31:32) and is pure (saved only) by nature (Jer. 31:34).
The 1689 Confession rejects the One Covenant/Two administrations view of the Westminster. Instead, it affirms that the Covenant of Grace was only revealed in the Old Testament time until it became a formal covenant when the New Covenant was established. Therefore, the Particular Baptist understanding considers that only the New Covenant is the Covenant of Grace and defines it. This involves that the Old Covenant was not the Covenant of Grace and was only typologically linked to it but was in itself an earthly covenant that came to an end when the heavenly reality was established. Instead of seeing two realities (earthly/heavenly, internal/external) inside of the same covenant of grace, the 1689 Federalism affirms two distinct covenants: an earthly external covenant (the Old) and an heavenly internal covenant (the New). The New Covenant was first a promise that was put under the guard of the Law (the Old Covenant). It was then accomplished, sealed in the blood of Christ and given to believers in the form of a covenant.
In the lectures below, I expose chapter 7 of the 1689 (Of God’s Covenant). These lectures were given at the Reformed Baptist Seminary module on Creeds and Confessions held in Las Vegas October 2014. I offer here the MP3 files, the videos are available at RBS website: http://rbseminary.org/home/pascal-denault-on-the-covenant-theology-of-the-1689-baptist.html
You can find a French version of this teaching here: http://www.unherautdansle.net/alliances/
5. Q&A (Dr. Bob Gonzales and Pascal Denault) – Audio MP3
[audio:http://prechelaparole.sermon.net/da/20246366|titles=Q&A|artists=Dr. Bob Gonzales and Pascal Denault]