An explanation of the history of the use of the term "co-redemptrix and mediatrix. We consider the level of authority that the new Vatican document (Mater Populi Fidelis) has - and also the strong emphasis which it places on the role of Mary and the importance of Marian devotion.
While the new document discourages the use of these terms, numerous popes and saints have used them - furthermore, the Second Vatican Council calls Mary our "mediatrix" (though not using the term "mediatrix of all graces").
However, even if there are many saints and great theologians who have used the term co-redemptrix, it would not be proper to question the orthodoxy or devotion of those who question or even oppose the use of these terms.
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