 All of these events are percepts—the only kinds of events we can know without inference. And, pace Landini, all of these events do have qualitative characters. When Russell speaks of emergence, he has in mind the relationship between the abstract mathematical properties of events and their intrinsic qualitative characters. And he maintains that latter are emergent with respect to the former because there is no inferential path leading from the abstract mathematical features of an event to its intrinsic qualitative features. What this means is that if one were to carry out the neutral monist program by focusing exclusively on the abstract mathematical characteristics of events, then the existence qualitative characters of certain events would constitute a (strongly) emergent fact. For such abstract and mathematical considerations 