Claim. On the foundation of faith, fallen people must build the foundation of substance by fulfilling the indemnity condition to remove the fallen nature. The mechanism — developed in detail in later chapters as the Cain–Abel pattern — completes what the foundation of faith began, and only on this combined foundation can the Messiah be received and original sin cleansed.
Elaboration. Per 1.2.2. The Foundation of Substance: “Fallen people can establish the foundation of substance by making an indemnity condition, the indemnity condition to remove the fallen nature.”
The premise: at the Fall, Adam and Eve acquired the original sin and “harbored the primary characteristics of the fallen nature” (see dp-four-primary-fallen-nature-characteristics). These features block one’s God-given original nature. The substantial foundation is the condition that substantially removes them — as opposed to the foundation of faith which only symbolically re-establishes lost obedience.
DP defers the operational details. Ch 1 names the mechanism — the Cain–Abel pattern — without yet exposing it. Part II Chapters 2–6 develop the cases: Cain and Abel; Noah’s sons; Isaac and Jacob; Esau and Jacob; Joseph and his brothers; Jesus and John the Baptist.
The completion: “By making the indemnity condition to remove this fallen nature, a fallen person can lay the foundation of substance by which he can receive the Messiah, be cleansed of the original sin, and ultimately restore his original nature.”
Significance. DP’s distinctive claim is that faith alone is not sufficient for messianic reception. A substantial condition — interpersonal, between figures in Cain and Abel positions — is required to remove the residue of the Fall before original sin can be cleansed. This is the structural reason the Cain–Abel pattern recurs across providential history as the load-bearing substance mechanism.
See also. foundation-of-substance · cain-abel-pattern · fallen-nature