As Vach is the daughter and the mother of the Logos, so Isis is the daughter and the mother of Osiris, who is Horus. And as the noumenal and the phenomenal are poles apart, so are the metaphysical and the physical.
Patriarch Lot is guilty of physical incest with his daughters, whereas Prajapati accomplished the same allegorically.
Aditi-Vach, the feminine Logos, is the same as the Sephirah of the Kabbalah, the Great Sea.