The last designation, which became the current one, was un doubtedly unfortunate, and has conveyed to many a false impression of Scottish philosophy.
Moreover, a false impression is conveyed by the nomenclature, as the second subordinate series is much more closely related to the principal series than the first subordinate series.
The advantage of numerical marks is that they are more easily manipulated than symbols; the disadvantage, that they produce the false impression that merit can be estimated with mathematical accuracy.
That Christ died for us, and that we are saved by him, is indeed the living truth of the Church in all ages, and a false impression of the fact is given by dwelling upon theories as if they were central.
To state the theory is, however, to risk giving an entirely false impression of the facts.