.

Reply Obj. 2: Matter is that from which something is made. Now
created nature has a determinate principle; and since it is
determined to one thing, it has also a determinate mode of
proceeding. Wherefore from determinate matter it produces something
in a determinate species. On the other hand, the Divine Power, being
infinite, can produce things of the same species out of any matter,
such as a man from the slime of the earth, and a woman from out of
man.

Reply Obj. 3: A certain affinity arises from natural generation, and
this is an impediment to matrimony. Woman, however, was not produced
from man by natural generation, but by the Divine Power alone.
Wherefore Eve is not called the daughter of Adam; and so this
argument does not prove.
_______________________

THIRD ARTICLE [I, Q. 92, Art. 3]

Whether the Woman Was Fittingly Made from the Rib of Man?

Objection 1: It would seem that the woman should not have been formed
from the rib of man. For the rib was much smaller than the woman's
body. Now from a smaller thing a larger thing can be made
only--either by addition (and then the woman ought to have been
described as made out of that which was added, rather than out of the
rib itself)--or by rarefaction, because, as Augustine says (Gen. ad
lit. x): "A body cannot increase in bulk except by rarefaction." But
the woman's body is not more rarefied than man's--at least, not in
the proportion of a rib to Eve's body. Therefore Eve was not formed
from a rib of Adam.

Obj. 2: Further, in those things which were first created there was
nothing superfluous. Therefore a rib of Adam belonged to the
integrity of his body. So, if a rib was removed, his body remained
imperfect; which is unreasonable to suppose.

Obj. 3: Further, a rib cannot be removed from man without pain. But
there was no pain before sin. Therefore it was not right for a rib
to be taken from the man, that Eve might be made from it.

_On the contrary,_ It is written (Gen. 2:22): "God built the rib,
which He took from Adam, into a woman."

_I answer that,_ It was right for the woman to be made from a rib of
man. First, to signify the social union of man and woman, for the
woman should neither "use authority over man," and so she was not
made from his head; nor was it right for her to be subject to man's
contempt as his slave, and so she was not made from his feet.
Secondly, for the sacramental signification; for from the side of
Christ sleeping on