CCC 511
Profession of Faith›SECTION TWO I. THE CREEDS›CHAPTER TWO I BELIEVE IN JESUS CHRIST, THE ONLY SON OF GOD›Paragraph 2. "CONCEIVED BY THE POWER OF THE HOLY SPIRIT AND BORN OF THE VIRGIN MARY"
The Virgin Mary "co-operated through free faith and obedience in human salvation" (LG 56). She uttered her yes "in the name of all human nature" (St. Thomas Aquinas, S Th III, 30, 1). By her obedience she became the new Eve, mother of the living.