Of Matrimony As a Sacrament

We must next consider matrimony as a sacrament. Under this head there are four points of inquiry:(1) Whether matrimony is a sacrament?(2) Whether it ought to have been instituted before sin was committed?(3) Whether it confers grace?(4) Whether carnal intercourse belongs to the integrity of matrimony?

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Whether matrimony is a sacrament?
Whether this sacrament ought to have been instituted before sin was committed?
Whether matrimony confers grace?
Whether carnal intercourse is an integral part of this sacrament?