of its own evidential ancestry, which is violated by coherence theories of justification.

The Principle of Avoiding Arbitrariness (PAA) is stated as follows: "For all x, if a person, S, has a justification for x, then there is some reason, r1, available to S for x; and there is some reason, r2, available to S for r1; etc." PAA says that in order to avoid arbitrariness, for any proposition x to be justified for an epistemological agent, there must be some reason r available to the agent; this reason will in turn require the same structure