Claim. abraham’s trip to Egypt (Gen 12:10-20) — in which Sarah posed as his sister, was taken by Pharaoh, then returned with abraham together with nephew Lot and wealth — was an unwitting symbolic indemnity condition restoring adam’s family position, prerequisite to making the symbolic offering itself.
Elaboration. Per DP §3.1.2, before Abraham could stand in Noah’s place, he had to restore Adam’s family position via a re-enactment reversing the fall’s structure. When the archangel took eve — capturing her descendants and the natural world — adam and Eve were still in the brother-sister relation, not yet blessed as husband-and-wife. For Abraham to restore this, he had to be deprived of Sarah (in sister role) by Pharaoh (representing Satan), then take her back together with Lot (representing humanity) and wealth (representing the natural world).
These recovered elements — wife (after sister-status), kin-representative, material-creation-representative — re-instantiated what Satan captured at the fall, but with direction reversed: from Satan’s possession back to God’s central figure.
The atomic supplies the preparation indemnity placed between Abraham’s selection and his symbolic offering. It also models the course “Jesus would one day walk: to take humanity and all things out of Satan’s world and bring them back to God’s world”; the same Sarah-sister pattern recurs before Abraham’s offering of Isaac (with Abimelech of Gerar).
See also. Engagement-relevant against mainstream readings of Gen 12 / Gen 20 that treat the Sarah-as-sister episodes as moral failures or doublet redactions; DP reads them as load-bearing providential conditions, repeated for structural reasons.