Hence, if in the second figure (which from ancient custom is referred to, without further ground, as the third) we are equally supposed to find a correct syllogism in this subjective sense, this syllogism would have to be commensurate with the first; consequently, since the one premise has the relation of the subsumption of the middle term under one extreme, then it would have to be possible for the other premise to receive the opposite relation to that which it has, and for to be subsumed under.