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Portrait of Thomas Aquinas Thomas Aquinas Summa Theologiae — Question 92 - THE PRODUCTION OF THE WOMAN…

I answer that, It was necessary for woman to be made, as the Scripture says, as a "helper" to man; not, indeed, as a helpmate in other works, as some say, since man can be more efficiently helped by another man in other works; but as a helper in the work of generation. This can be made clear if we observe the mode of generation carried out in various living things.
Source: Wikisource

Portrait of Thomas Aquinas Thomas Aquinas Summa Theologiae — Question 92 - THE PRODUCTION OF THE WOMAN…

On the other hand, as regards human nature in general, woman is not misbegotten, but is included in nature's intention as directed to the work of generation. Now the general intention of nature depends on God, Who is the universal Author of nature. Therefore, in producing nature, God formed not only the male but also the female.
Source: Wikisource

Portrait of Thomas Aquinas Thomas Aquinas Summa Theologiae — Question 92 - THE PRODUCTION OF THE WOMAN…

It would seem that woman should not have been made from man. For sex belongs both to man and animals. But in the other animals the female was not made from the male. Therefore neither should it have been so with man.
Objection 2: Further, things of the same species are of the same matter. But male and female are of the same species. Therefore, as man was made of the slime of the earth, so woman should have been made of the same, and not from man.
Objection 3: Further, woman was made to be a helpmate to man in the work of generation. But close relationship makes a person unfit for that office
Source: Wikisource

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