Aziraphale smiled at Maia. "I believe, at least the context of our discussion, that the term 'mutant' is being used in a clinical sense. Which means, a being that has evolved in an unexpected way. So in that sense, if you consider that precognitive abilities are not expected to appear among the general population, then yes. However, I also understand that the term is sometimes used to represent the sense of a person being undesireably different. In that case, I would like to challenge anyone to show me how any of the differences one would find among the population of this island -- or any other -- to be undesireable."