two options open to the foundationalist. He can say that we know with certitude, whether inferentially or noninferentially, that nature is uniform. But surely we do not. None of us knows, let alone knows with certitude, that those segments of the world which have been observed are uniform with those which have not been. The other option is to say that on the basis of the evidence it is probably true that nature is thus uniform. But that would be to offer an inductive argument—an inductive argument