This thesis examines the evolution of religious symbol systems.
It proposes that religion as a cognitive system has
evolved through the processes of differentiation and abstraction.
Furthermore, it demonstrates that this evolution
has occurred not through a cumulative process but through
major paradigmatic shifts that rejected the previous traditions.
These propositions are applied to the religious
history of Western civilization. The study deals with the
religions of the ancient Near East, the religion of Israel,
classical Christianity, and the Christianity of the modern
"radical" theologians. The validity of the theories set
forth are tested not in the exotic setting of most ethnological
literature but in the familiar and well-documented
world of Western religions.