  Although Maddy does not formulate this objection in a way that directly conflicts with  P1  it certainly illustrates a tension between naturalism and confirmational  holism.[7]  And since both these are required to support P1, the objection indirectly casts doubt on P1. Maddy, however, endorses naturalism and so takes the objection to demonstrate that confirmational holism is false. We’ll leave the discussion of the impact the rejection of confirmational holism would have on the indispensability argument until after we outline Sober’s objection, because Sober arrives at much the same conclusion.