FOURTH ARTICLE [I, Q. 40, Art. 4]

Whether the properties presuppose the notional acts?

Objection 1: It would seem that the notional acts are understood

before the properties. For the Master of the Sentences says (Sent. i,

D, xxvii) that "the Father always is, because He is ever begetting the

Son." So it seems that generation precedes paternity in the order of

intelligence.

Obj. 2: Further, in the order of intelligence every relation

presupposes that on which it is founded; as equality presupposes

quantity. But paternity is a relation founded on the action of

generation. Therefore paternity presupposes generation.

Obj. 3: Further, active generation is to paternity as nativity is

to filiation. But filiation presupposes nativity; for the Son is so

called because He is born. Therefore paternity also presupposes

generation.

_On the contrary,_ Generation is the operation of the person of the

Father. But paternity constitutes the person of the Father. Therefore

in the order of intelligence, paternity is prior to generation.

_I answer that,_ According to the opinion that the properties do not

distinguish and constitute the hypostases in God, but only manifest

them as already distinct and constituted, we must absolutely say that

the relations in our mode of understanding follow upon the notional

acts, so that we can say, without qualifying the phrase, that "because

He begets, He is the Father." A distinction, however, is needed if we

suppose that the relations distinguish and constitute the divine

hypostases. For origin has in God an active and passive

signification--active, as generation is attributed to the Father, and

spiration, taken for the notional act, is attributed to the Father and

the Son; passive, as nativity is attributed to the Son, and procession

to the Holy Ghost. For, in the order of intelligence, origin, in the

passive sense, simply precedes the personal properties of the person

proceeding; because origin, as passively understood, signifies the way

to a person constituted by the property. Likewise, origin signified

actively is prior in the order of intelligence to the non-personal

relation of the person originating; as the notional act of spiration

precedes, in the order of intelligence, the unnamed relative property

common to the Father and the Son. The personal property of the Father

can be considered in a twofold sense: firstly, as a relation; and thus

again in the order of intelligence it presupposes the notional act,

for relation, as such, is founded upon an act: secondly, according as

it constitutes the person; and thus the notional act presupposes the

relation, as an action presupposes a person acting.

Reply Obj. 1: When the Master says that "because He begets, He is

Father," the term "Father" is taken as meaning relation only, but not

as signifying the subsisting person; for then it would be necessary

to say conversely that because He is Father He begets.

Reply Obj. 2: This objection avails of paternity as a relation, but

not as constituting a person.

Reply Obj. 3: Nativity is the way to the person of the Son; and so,

in the order of intelligence, it precedes filiation, even as

constituting the person of the Son. But active generation signifies a

proceeding from the person of the Father; wherefore it presupposes

the personal property of the Father.

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Summa Theologica, Part I (Prima Pars) From the Complete American Edition · 第 273 / 722 题