Dogma.
Definition
The word dogma (Gr. dogma from dokein) signifies, in the writings of the ancient classical authors, sometimes, an opinion or that which seems true to a person; sometimes, the philosophical doctrines or tenets, and especially the distinctive philosophical doctrines, of a particular school of philosophers (cf. Cic. Ac., ii, 9), and sometimes, a public decree or ordinance, as dogma poieisthai.
In Sacred Scripture it is used, at one time, in the sense of a decree or edict of the civil authority, as in Luke 2:1: "And it came to pass, that in those days there went out a decree [edictum, dogma] from Caesar Augustus" (cf. Acts 17:7; Esther 3:3); at another time, in the sense of an ordinance of the Mosaic Law as in Ephesians 2:15: "Making void the law of commandments contained in decrees" (dogmasin), and again, it is applied to the ordinances or decrees of the first Apostolic Council in Jerusalem: "And as they passed through the cities, they delivered unto them the decrees [dogmata] for to keep, that were decreed by the apostles and ancients who were at Jerusalem" (Acts 16:4).
Among the early Fathers the usage was prevalent of designating as dogmas the doctrines and moral precepts taught or promulgated by the Saviour or by the Apostles; and a distinction was sometimes made between Divine, Apostolical, and ecclesiastical dogmas, according as a doctrine was conceived as having been taught by Christ, by the Apostles, or as having been delivered to the faithful by the Church.
But according to a long-standing usage a dogma is now understood to be a truth appertaining to faith or morals, revealed by God, transmitted from the Apostles in the Scriptures or by tradition, and proposed by the Church for the acceptance of the faithful. It might be described briefly as a revealed truth defined by the Church — but private revelations do not constitute dogmas, and some theologians confine the word defined to doctrines solemnly defined by the pope or by a general council, while a revealed truth becomes a dogma even when proposed by the Church through her ordinary magisterium or teaching office. A dogma therefore implies a twofold relation: to Divine revelation and to the authoritative teaching of the Church.
The three classes of revealed truths
Theologians distinguish three classes of revealed truths: truths formally and explicitly revealed; truths revealed formally, but only implicitly; and truths only virtually revealed.
A truth is said to be formally revealed, when the speaker or revealer really means to convey that truth by his language, to guarantee it by the authority of his word. The revelation is formal and explicit, when made in clear express terms. It is formal but only implicit, when the language is somewhat obscure, when the rules of interpretation must be carefully employed to determine the meaning of the revelation. And a truth is said to be revealed only virtually, when it is not formally guaranteed by the word of the speaker, but is inferred from something formally revealed.
Now, truths formally and explicitly revealed by God are certainly dogmas in the strict sense when they are proposed or defined by the Church. Such are the articles of the Apostles' Creed. Similarly, truths revealed by God formally, but only implicitly, are dogmas in the strict sense when proposed or defined by the Church. Such, for example, are the doctrines of Transubstantiation, papal infallibility, the Immaculate Conception, some of the Church's teaching about the Saviour, the sacraments, etc. All doctrines defined by the Church as being contained in revelation are understood to be formally revealed, explicitly or implicitly. It is a dogma of faith that the Church is infallible in defining these two classes of revealed truths; and the deliberate denial of one of these dogmas certainly involves the sin of heresy. There is a diversity of opinion about virtually revealed truths, which has its roots in a diversity of opinion about the material object of faith (see FAITH). It is enough to say here that, according to some theologians, virtually revealed truths belong to the material object of faith and become dogmas in the strict sense when defined or proposed by the Church; and according to others, they do not belong to the material object of faith prior to their definition, but become strict dogmas when defined; and, according to others, they do not belong to the material object of Divine faith at all, nor become dogmas in the strict sense when defined, but may be called mediately-Divine or ecclesiastical dogmas. In the hypothesis that virtually revealed conclusions do not belong to the material object of faith, it has not been defined that the Church is infallible in defining these truths, the infallibility of the Church, however, in relation to these truths is a doctrine of the Church theologically certain, which cannot lawfully be denied — and though the denial of an ecclesiastical dogma would not be heresy in the strict sense, it could entail the sundering of the bond of faith and expulsion from the Church by the Church's anathema or excommunication.
Divisions
The divisions of dogma follow the lines of the divisions of faith. Dogmas can be (1) general or special; (2) material or formal; (3) pure or mixed; (4) symbolic or non-symbolic; (5) and they can differ according to their various degrees of necessity.
(1) General dogmas are a part of the revelation meant for mankind and transmitted from the Apostles; while special dogmas are the truths revealed in private revelations. Special dogmas, therefore, are not, strictly speaking, dogmas at all; they are not revealed truths transmitted from the Apostles; nor are they defined or proposed by the Church for the acceptance of the faithful generally.
(2) Dogmas are called material (or Divine, or dogmas in themselves, in se) when abstraction is made from their definition by the Church, when they are considered only as revealed; and they are called formal (or Catholic, or "in relation to us", quoad nos) when they are considered both as revealed and defined. Again, it is evident that material dogmas are not dogmas in the strict sense of the term.
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