However none of the other answers seem to be entirely adequate either. It may seem, as in 1, that you could still be justified in believing F—in case your calculation was actually right—but no longer have strong enough reason to believe that the calculation was right. However, this would also mean that you could justifiably believe “F, but my overall evidence doesn’t support F”. Feldman (2005: 110–111) argues that it is impossible for this belief to be both true and reasonable since the second c