BonJour presented the objection on the way to developing a coherence theory of empirical justification. But it ultimately became obvious that the objection to foundationalism was too strong. Given the structure of the argument it should become evident that the coherence theory (and any other theory) would be equally vulnerable to the argument. Just replace “X” with some complicated description of beliefs cohering with each other. Coherence of one’s beliefs would never be sufficient for justifica