We demand that a “retest” be done, to ensure that the result did not have the opposite effect. It is a linguistic conundrum that the affirmative means its negative; for, in medicine, a “positive” result is the worst of news, whereas in most every other context, it is a welcomed declarative. But because it is a result which is not embraced with delight, we ask that it be further verified in the event that the “positive” is a false one, and we want it instead to not be a true one, and thus ask for a retest in order to see whether the second one will result in a true negative, which is the opposite of a true positive in hopes that the first positive result is a false one. […]