 A more recent influential critique of inductive arguments is the one offered in (Harman 1965). Harman argues that either enumerative induction is not always warranted, or it is always warranted but constitutes an uninteresting special case of the more general category of inference to the best explanation (see next section). The upshot is that, for Harman, induction should not be considered a warranted form of inference in its own right.