 By formulating (CA-1*) in this way, the covering law conception of the subsumption of singular events by general laws is preserved; but abandonment of the high-probability requirement led both Salmon (1971) and Alberto Coffa (1973) to question whether or not explanations still properly qualify as “arguments”. At the least, however, they would appear to be special kinds of “explanatory arguments”, even when they involve low probabilities.