This argument suffers from various weaknesses. First, we may wonder whether the alternatives to foundationalism are really unacceptable. In the recent literature on this subject, we actually find an elaborate defense of the position that infinitism is the correct solution to the regress problem.[50] Nor should circularity be dismissed too quickly. The issue is not whether a simple argument of the form p therefore p can justify the belief that p. Of course it cannot. Rather, the issue is ultima