the recent promulgation of the dogma of the Assumption emphasizes the taking up not only of the soul but of the body of Mary into the Trinity, thus making a dogmatic reality of those medieval representations of the quaternity
Edinger, following Jung, argues that the 1950 Assumption dogma represents the archetypal pressure of the feminine finally entering the Trinity as a fourth element, completing the psychological quaternity.
, The Mysterium Lectures: A Journey Through C.G. Jung’s Mysterium Coniunctionis, 1995thesis