I am asking the question below on behalf of another. Will you please be kind enough to explain the below from a Roman Catholic perspective to him?
*
“If a Mass is invalidated when the priest fails to consume under both forms how is the Consecration which took place a few minutes earlier rendered null and void? How are the Elements deconsecrated?”*
Which he asks after a Roman Catholic said to him: “It is necessary for the priest to consume under both forms for a valid liturgy.”
Thank you!
(I hope someone else will comfirm what I’m saying- just in case it’s erroneous)
First off, the elements do not become ‘de-consecrated’ or anything of the kind. They remain the Body and the Blood of Christ.
The thing is, when many people say the Mass is not valid they usually take it to be the elements are not consecrated. But strictly speaking, the Mass is not valid applies firstly to the sacrifice.
In the Mass, the sacrifice is accomplished through the “double consecration” i.e. the consecration of the bread and then of the wine unto the Body and Blood of Christ. This is where the “essence” of the sacrifice is said to be.
By the “transubstantiation” of bread into the Body of Christ and of wine into His Blood, His Body and Blood are both really present: now the Eucharistic Species under which He is present symbolize the actual separation of His Body and Blood.
Thus the commemorative representation of His death, which actually took place on Calvary, is repeated in every sacrifice of the altar, seeing that Jesus Christ is symbolically shown by separate symbols to be in a state of victimhood
No double consecration = no sacrifice= no Mass (which goes for the effects and fruits gained by the sacrifice).
But what happens if for example, the priest consecrates the bread but not the wine? The Body of Christ will be present on the altar. However there will still be no sacrifice and the Mass would be to be invalid. Hence the graces you would get would be solely those associated with the Eucharist as a sacrament and the reception of the Body of Christ. That is, presuming you receive communion. This isn’t meant to answer your friend’s question, just provide an idea of how the “sacrament” and the “sacrifice” though very closely connected, are separated, and how it is possible to have validly consecrated elements without a sacrifice (=invalid Mass).
Now where does the communion of the priest fit in? In the first place it is commanded by Christ, so anyway it is of obligation and can never be omitted. Regarding the communion, there were two ideas on its necessity- I’m not sure whether the Magisterium has pronounced definitively on either one. Though most lean towards the second- for example, I think that is the one supported by the encyclical of Pius XII Mediator Dei.
- the communion is essential to the sacrifice
- the communion is integral to the sacrifice.
The (2) opinion, which, from what I’ve been able to gather and read (but I could be wrong) is the one that is most commonly agreed on. According to this, the “essence” of sacrifice lies in the double consecration but the communion is only necessary for it’s integrity or completeness. No communion, incomplete sacrifice.
An analogy I heard once, might be helpful in explaining essence and integrity. Essence is what makes something what it is, integrity is what completes something. Bones are essential for a skeleton, but if I cut off the arm, the skeleton will lack integrity. It will still be a skeleton but not a perfect skeleton.