Modern understanding of Transubstantiation?

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Your last paragraph has the two kinds of substance reversed. Second Substance is the collection of visible and measureable parts and underlying ultimate particles organized into a specifice structure and having specific powers and habits. Second Substance inheres in First Substance. First Substance is a concept only as considered as the general idea the intellect has of a particular essence. It is instantiated in specific entities, but imperfectly, as individualized by the particular matter and particular form which are its principles or causes. It is real and not a concept when instantiated in a substance.

You have to keep in mind that the entire second substance is one large collection of accidents. You can say the entire second substance is an accident. The underlying form and matter could have any number of accidents, as expressed in second substance. Or, the second substance by comprised of quite a wide variety accidents. Of course that is to be understood as variety within defined limits, which do not pass beyond the possibilities of a given form.

Everything which exists has a First and Second Substance, except God, considered in His Essence.

The examples of first and second substance are as varied and numerous as things which acutally exist ( every substance must actually exist, have an act of existence. ). Of course it is undestood that ultimate particles would be open to dispute, even among scientists. But the essential point is our concern.It is the real underlying form of any first substance that determines the accidents and variety accidents comprising second substance. Each man has the form, man, but as limited by the matter which recieves it. But each form has generic, specific, and differentia as determined by God and other factors ( inherited genes, etc. ).

When the bread and wine are changed into the body and blood of Christ, the entire substnace of Christ, the first substance and the second substance, comprising the totality of his accidents becomes present. But only the accidents of the bread and wine remain, but they have no first substance in which they exist ( this is a miracle). So Christ is physically present in his totality, but he is not a part of the accidents of bread and wine, nor are they part of him. One can say he accompanies the bread and wine wherever they are, they provide a vehicle for his presence. They serve as a Sign of his presence. And when the accidents are dissolved or are absorbed by the body through digestion, Christ is no longer physically present.

Your point about the accidents of the bread and wine being real substances is correct, but remember that they are second substances, a collection of organized accidents. But in this instance they are present by a miracle. Because in nature accidents always exist in an underlying first substance, they never exist alone. They look like bread and wine, and pass all the criteria for real things. But, in this case only, they are simply accidents.

Now this is not an argument between science and the Church. I have no problem and the Church has no problem with science calling the bread and wine, after the Consecration, real substances in the proper sense. But the Church would say, in this one instance science is wong. But to see that one must have Faith. As long as science doesn’t stray into the province of Faith and say the Church is wrong and make a big deal of the difference and use that as an excuse to ridicule the Church, I have no problem with what science teaches. In fact it should not come up in any scientific discussion. It is really only Catholic scientists or purely Aristotelian philosophers who might raise the issue - and of course atheists and agnostics and others who might be looking for an excuse to make a fuss. But gentlemen allow room for Faith.

You have the two substances reversed. And no, First Substance is not just abstract, as I explained above.

" Veil " is just a similie, a metaphore to describe what happens. Christ is where the accidents are, but he is not a part of them, nor they of him. They are merely a Sign of his presence.

It requires Faith in Christ’s own Word as interpreted by the Church who has been promised by Christ to be infallible in matters of Faith and Morals.

The Church’s teaching in the matter requires Faith, I don’t dispute that. The Church merely uses Aristotelian philosophy, as interpreted by Thomas Aquinas to describe what is happening in this one instance. I would argue however that Aristotle would argue validly that all the accidents and their powers and properties are sourced in the matter and form of the First Substance. In other words the way ultimate particles behave is determined by the form of the first substance from which they are derived. In other words, whatever happens in second substance is determined by the first substance.

Deep stuff, hey! Thank you for your interest.

Linus2nd
In the explanation above, please exchange First and Second Substance, wherever mentioned. Sorry for the confusion, I always get them mixed up because I consider the Form of a Substance to be more important, since it is the most primary thing about any individual . Socrates is nothing if he is not a man.

Linus2nd
 
It appears that some are wanting to have a physcial explanation of transubstantiation when no explanation will suffice. There is no physical change that can be measured or seen - with the exception of Eucharistic miracles.

At the consecration, there is a change in the substance of the matter, but the effect of that change is “short stopped” and does not prevail to the accidents of the original substance. The change can not be seen, measured, or explained on a physical level. The change is transcendent to the physical properties of the substance.

The laws of nature dictate that the substance of matter is defined by the accidents. However, transubstantiation is not natural…it is supernatural. Trying to define it in physical terms is like trying to define everything about a person by a photograph…it can’t be done.

“Cannot the words of Christ, which were able to make what was not out of nothing, change those things that are into the things that were not?..St. Ambrose”

God Bless,
CSJ
 
It appears that some are wanting to have a physcial explanation of transubstantiation when no explanation will suffice. There is no physical change that can be measured or seen - with the exception of Eucharistic miracles.

At the consecration, there is a change in the substance of the matter, but the effect of that change is “short stopped” and does not prevail to the accidents of the original substance. The change can not be seen, measured, or explained on a physical level. The change is transcendent to the physical properties of the substance.

The laws of nature dictate that the substance of matter is defined by the accidents. However, transubstantiation is not natural…it is supernatural. Trying to define it in physical terms is like trying to define everything about a person by a photograph…it can’t be done.

“Cannot the words of Christ, which were able to make what was not out of nothing, change those things that are into the things that were not?..St. Ambrose”

God Bless,
CSJ
That is a very good explanation. I especially liked the phrase " stopped short, " very insightful way to explain how this change does not follow standard rules of substantial change.

Linus2nd
 
You state that there is no change/conversion of form in transubstantiation. I recognize that the accidental form of bread remains unchanged, but could you provide some source for saying the substantial form of bread remains and is not changed/converted? Can the substantial form remain without the substance?
The Catechism defines it as such:

"CCC 1381 "That in this sacrament are the true Body of Christ and his true Blood is something that ‘cannot be apprehended by the senses,’ says St. Thomas, ‘but only by faith, which relies on divine authority.’ For this reason, in a commentary on Luke 22:19 (‘This is my body which is given for you.’), St. Cyril says: ‘Do not doubt whether this is true, but rather receive the words of the Savior in faith, for since he is the truth, he cannot lie.’"212

Godhead here in hiding, whom I do adore
Masked by these bare shadows, shape and nothing more,
See, Lord, at thy service low lies here a heart
Lost, all lost in wonder at the God thou art.
Seeing, touching, tasting are in thee deceived;
How says trusty hearing? that shall be believed;
What God’s Son has told me, take for truth I do;
Truth himself speaks truly or there’s nothing true."

And another quote from an article on EWTN that explains St. Thomas’ definition of transubstantiation:

“Therefore, after this event, there is no longer bread, because it has been entirely transformed. My senses continue to perceive what they perceived before, because what has been changed is only the bread’s substance, not the sense appearances which signified it, namely extension, colour etc. But the reality which these appearances or accidents hide from us, is the body of Christ, into which the bread has been changed. That marvel that is effected on one altar is effected on all the altars on earth, as the sun moves in its course.”

If you wish to read the entire article, here is the link. It’s a short article, but quite concise and to the point.
ewtn.com/library/Theology/TRANSUBT.HTM

God Bless,
CSJ
 
In Part III, Q. 77, Art. 6, Aquinas answers in the affirmative that the sacramental species, i.e, the accidents of the bread and wine which remain after the consecration can nourish for one can presumably live off eating and drinking the eucharist. Though it is proper for matter to nourish, Aquinas says that God miraculouly bestows on the quantity of the bread and wine to take the place of matter and substance and thus the accidents of the bread and wine can be converted to human flesh, substance and matter.
You have done an excellent job. So has Nita. Glad to see someone digging into Thomas.

Linus2nd
 
The Catechism defines it as such:

"CCC 1381 "That in this sacrament are the true Body of Christ and his true Blood is something that ‘cannot be apprehended by the senses,’ says St. Thomas, ‘but only by faith, which relies on divine authority.’ For this reason, in a commentary on Luke 22:19 (‘This is my body which is given for you.’), St. Cyril says: ‘Do not doubt whether this is true, but rather receive the words of the Savior in faith, for since he is the truth, he cannot lie.’"212

Godhead here in hiding, whom I do adore
Masked by these bare shadows, shape and nothing more,
See, Lord, at thy service low lies here a heart
Lost, all lost in wonder at the God thou art.
Seeing, touching, tasting are in thee deceived;
How says trusty hearing? that shall be believed;
What God’s Son has told me, take for truth I do;
Truth himself speaks truly or there’s nothing true."

And another quote from an article on EWTN that explains St. Thomas’ definition of transubstantiation:

“Therefore, after this event, there is no longer bread, because it has been entirely transformed. My senses continue to perceive what they perceived before, because what has been changed is only the bread’s substance, not the sense appearances which signified it, namely extension, colour etc. But the reality which these appearances or accidents hide from us, is the body of Christ, into which the bread has been changed. That marvel that is effected on one altar is effected on all the altars on earth, as the sun moves in its course.”

If you wish to read the entire article, here is the link. It’s a short article, but quite concise and to the point.
ewtn.com/library/Theology/TRANSUBT.HTM

God Bless,
CSJ
Yes, that is indeed an excellent article and should be read by all.

Linus2nd.
 
Thank you very much CSJ for challenging me and pointing out my error. I was wrong in calling the nutritional process transubstantiation. See my post #40 above.

As to “transformation” - I’ve been unable to find anything on that. I noticed that the Catechism paragraph I quoted earlier does use the word “transforms” in connection with what occurs at consecration.1375 … Thus St. John Chrysostom declares:
… This is my body, he says. This word transforms the things offered
​

In regards to the use of “form” in philosophy, it seems to be used in quite a few instances.
In the text I have, it is applied to substance as well as accidents:
“Substantial form, the formal cause, is that which essentially determines a thing, makes it what it is. There is also **accidental form **which is simply the exterior contours of a thing, the way it is physically configured. There is of course a very close connection between substantial form and accidental form, …” (Metaphysics, p188, D.Q.McInerny)

You state that there is no change/conversion of form in transubstantiation. I recognize that the accidental form of bread remains unchanged, but could you provide some source for saying the substantial form of bread remains and is not changed/converted? Can the substantial form remain without the substance?
You are correct. I do not think CSJ meant to imply that the substantial form of the accidents remains, because that is clearly contrary to the article he linked. The " form " mentioned by CSJ is the accidental form of the accidents. The entire Second Substance ( that which is composed of the underlying matter and substantial formi has been changed into the Whole Christ ( the underlying Second Substance and the " individualizing " First Substance ( that which is comprised of all the accidents of the bread and the wine, including the accidental forms of each. ).

The article itself is clearly misleading when it says, " After the consecration Christ is where the bread was; but he is not there in the way that the bread was. The latter was there not only in its own substance, but also in its extension, its form, its colour; which qualities remain after the consecration, as the appearances of the bread which is no longer there…"

The boldened word " form " means accidental form, not Substantial Form.

This is an English translation, and a poor one. The sentence " The latter was there not only in its own substance, but also in its extension, its form, its colour; which qualities remain after the consecration, as the appearances of the bread ( and wine ) which is no is no longer there… " This sentence, to be correct should read like this, " The latter was there not only in its entire substance, both the Secondary and the First Substance ( which includes all its accidental forms - size, shape, weight, taste, nutrients, etc ). But after the change only the accidental forms ( size, shape, weight, taste, nutrients, etc.) remain. The Substantial Form along with the matter associated with the underlying essence or nature have been changed into the body and blood of Christ.

The original sentence was obviously translated by someone who understood neither the teaching on Transubstantiation, nor the explanation given by Thomas, nor the meaning of the Church’s Definition. It was very ackwardly written. I’m sure R.M. ( RIP ) would not have approved of that.

Linus2nd
 
You are correct. I do not think CSJ meant to imply that the substantial form of the accidents remains, because that is clearly contrary to the article he linked. The " form " mentioned by CSJ is the accidental form of the accidents. The entire Second Substance ( that which is composed of the underlying matter and substantial formi has been changed into the Whole Christ ( the underlying Second Substance and the " individualizing " First Substance ( that which is comprised of all the accidents of the bread and the wine, including the accidental forms of each. ).

The article itself is clearly misleading when it says, " After the consecration Christ is where the bread was; but he is not there in the way that the bread was. The latter was there not only in its own substance, but also in its extension, its form, its colour; which qualities remain after the consecration, as the appearances of the bread which is no longer there…"

The boldened word " form " means accidental form, not Substantial Form.

This is an English translation, and a poor one. The sentence " The latter was there not only in its own substance, but also in its extension, its form, its colour; which qualities remain after the consecration, as the appearances of the bread ( and wine ) which is no is no longer there… " This sentence, to be correct should read like this, " The latter was there not only in its entire substance, both the Secondary and the First Substance ( which includes all its accidental forms - size, shape, weight, taste, nutrients, etc ). But after the change only the accidental forms ( size, shape, weight, taste, nutrients, etc.) remain. The Substantial Form along with the matter associated with the underlying essence or nature have been changed into the body and blood of Christ.

The original sentence was obviously translated by someone who understood neither the teaching on Transubstantiation, nor the explanation given by Thomas, nor the meaning of the Church’s Definition. It was very ackwardly written. I’m sure R.M. ( RIP ) would not have approved of that.

Linus2nd
I would like to add that there is no such thing as an overarching form called an " accidental form. " There is only a collection of accidental forms, size, shape, weight, color, nutrients, ultimate atomic particles, etc, which constitute what Aristotle and Thomas called First Substance. And when Aristotle spoke of " form " in that context, he was speaking of the " shape " of a thing, round, square, oblong, etc.

EWTN should remove have someone correct that article because it is most confusing and I’m sure it has done great harm in the minds of many. I’m sorry I recommended it to anyone. Forget that I did.

Linus2nd
 
Yes, that is indeed an excellent article and should be read by all.

Linus2nd.
Sorry, I have to retract that. There is one very missleading sentence in the article which can cause great harm. See my comments above to Nita.

Linus2nd
 
Your last paragraph has the two kinds of substance reversed. Second Substance is the collection of visible and measureable parts and underlying ultimate particles organized into a specifice structure and having specific powers and habits. Second Substance inheres in First Substance. First Substance is a concept only as considered as the general idea the intellect has of a particular essence. It is instantiated in specific entities, but imperfectly, as individualized by the particular matter and particular form which are its principles or causes. It is real and not a concept when instantiated in a substance.
Actually, I believe my definitions of First Substance and Second Substance are correct.

from iep.utm.edu/aristotl/#H3 :
“Substances are further divided into first and second: first substances are individual objects; second substances are the species in which first substances or individuals inhere.”

from plato.stanford.edu/entries/substance/#AriAccSub :

“The primary substances are individual objects, and they can be contrasted with everything else—secondary substances and all other predicables—because they are not predicable of or attributable to anything else. Thus, Fido is a primary substance, and dog—the secondary substance—can be predicated of him.”

And from Aristotle’s book “Categories”
Code:
‘Of the secondary substances the species is more a substance than the genus, since it is nearer to the primary substance. For if one is to say of the primary substance what it is, it will be more apt to give the species than the genus.’ (2 b8–11)
So if we are dealing with the concepts of First and Second Substance, the First substance is an individual entity, and the Second Substance is the abstract categorization of that entity in relation to other entities, based on the properties (Essense/Accident) of the First Substance.
You have to keep in mind that the entire second substance is one large collection of accidents. You can say the entire second substance is an accident. The underlying form and matter could have any number of accidents, as expressed in second substance. Or, the second substance by comprised of quite a wide variety accidents. Of course that is to be understood as variety within defined limits, which do not pass beyond the possibilities of a given form.
It is my understanding that Accidents are properties of an entitiy which do not define what it is, and Essense is one or more properties that do define what it is. Essense would define what is required for an entity to be considered part of a Second Substance.

The Second Substance doesn’t itself have properties, it requires properties. The Second Substance, without instanciated First Substances, is nothing but an abstract concept. There is a Second Substance of a Dodo bird. There are no longer any First Substances of a Dodo bird. Thus even though this Second Substance lacks instances, it exists but only as an abstract concept.

For example, my pet Fido is a brown dog. Fido is the First Substance, an individual entity. Brown is an Accidental, or a property that does not define what he is, since if he were to be colored blue he would still be my pet dog Fido. Dog, is a Second Substance, and one of many Second Substances (animal, vertibrate, etc.). Some Second Substances more closely define Fido than others. Essence are the properties required to be considered as part of a Second Substance. For example, to be considerd a vertibrate, the entity must have bony growths surrounding a bundle of nerves traversing down the entity’s body. If all of Fido’s vertibrae were removed, he would probably no longer be considered a vertibrate animal, although he would still be my pet Fido.
The examples of first and second substance are as varied and numerous as things which acutally exist ( every substance must actually exist, have an act of existence. ). Of course it is undestood that ultimate particles would be open to dispute, even among scientists. But the essential point is our concern.It is the real underlying form of any first substance that determines the accidents and variety accidents comprising second substance. Each man has the form, man, but as limited by the matter which recieves it. But each form has generic, specific, and differentia…
In later works outside of “Categories”, where the terms of First and Second (or Primary and Secondary) substance are established, Aristotle does break Substance down further into Form and Matter. Again from plato.stanford.edu/entries/substance/#AriAccSub :

“The form is what kind of thing the object is, and the matter is what it is made of.”

For example, let’s consider a nail and a metal hammer. Both entities share the same type of matter, in this case metal. But they have different forms, one being an elongaged cylinder with a tapered end, and the other being a handle with one end being heavier than the other and a flattened surface for striking things. It is this combination of Form and Matter by which we are able to better identify and classify the substance of the two entities.

If you take the First Substance that has the Second Substance of being a Hammer, and melt it down and reform it into a cylinder with a tapered end, then the First Substance hasn’t changed, since it is the same entity as before. However its Essence, or essential properties have changed (at least some of them), so it is now the Second Substance of being a Nail. Because the Form changed, its application has changed, so therefore its Second Substance has changed. But the First Substance, a singular entity, remains. (It may be useful to introduce the concept of “point in time” since yesterday the entity was being a Hammer, and today it is being a Nail.)
 
When the bread and wine are changed into the body and blood of Christ, the entire substnace of Christ, the first substance and the second substance, comprising the totality of his accidents becomes present. But only the accidents of the bread and wine remain, but they have no first substance in which they exist ( this is a miracle). So Christ is physically present in his totality, but he is not a part of the accidents of bread and wine, nor are they part of him. One can say he accompanies the bread and wine wherever they are, they provide a vehicle for his presence. They serve as a Sign of his presence. And when the accidents are dissolved or are absorbed by the body through digestion, Christ is no longer physically present.
This defintion seems to be playing really fast and loose with Aristotle’s concepts, so much so that it appears to be completely separate from his philosophy. You claim that Christ, First Substance (an individual entity), Second Substance (containing the properties which define the entity as Christ), and all physical properties, become physically present (existent in our physical universe of space, time, and matter). But none of this can be detected in the physical universe of space, time, and matter.

The Bread, which has a First Substance (an entity exhibiting the properties of wheat grain pressed into a disk), and a Second Substance of “bread” (that which is made of wheat flour) is now no longer existant in the physical universe of space, time, and matter, but is replaced by the above different object? And the properties of the Bread, which arise from the Form and Material which make up its First Substance, are transfered to the above object, even though the Form doesn’t change and the Material doesn’t appear to change, because the properties don’t really become part of the above object because it contains its own properties which are present, physically, but not really because they don’t affect the physical universe? Is there any example outside of religion where a property of substance doesn’t actually manifest, but is still considered to derive from that substance?

Even lacking physical evidence, the above doesn’t make sense logically unless you throw out Aristotle’s work and start with your own philosophy cut from whole cloth and devoid of any ties to the physical world. At that point you can make up anything, claim anything, and not be proven wrong because you own the problem space, definition, and interpretation of the philosophy. Just don’t try to claim that it is based on Aristotle’s work or that it can be explained within Aristotle’s framework.
Now this is not an argument between science and the Church.
At this point, I’m not even really arguing from a position of science vs. philosphy. I don’t see how Aristole’s original philosopy even maps to the claims of the Eucharist.
" Veil " is just a similie, a metaphore to describe what happens. Christ is where the accidents are, but he is not a part of them, nor they of him. They are merely a Sign of his presence.
But setting the similie aside, the original process appears to lack both understanding and process. You have a number of disparate claims which must be met, and an attempt at a mental framework to unite them, but upon closer examination the mental framework is not logically consistent nor based on anything. It exists in and of itself, completely separate from other philosophies, because it is designed to explain a single concept and not be applicable or logically self-consistent outside of that very narrow problem space.
It requires Faith in Christ’s own Word as interpreted by the Church who has been promised by Christ to be infallible in matters of Faith and Morals.
Which ultimately makes it very subjective. You have to believe it for it to be true, and it is unverifyable.
I would argue however that Aristotle would argue validly that all the accidents and their powers and properties are sourced in the matter and form of the First Substance. In other words the way ultimate particles behave is determined by the form of the first substance from which they are derived.
On this I would largely agree, exempting the terms “powers” and “ultimate particles” as we have not established their meanings yet in this conversation. 🙂
In other words, whatever happens in second substance is determined by the first substance.
Replace the word “happens in” with “exists in” and I’ll agree here as well. 🙂
Deep stuff, hey! Thank you for your interest.
Agreed. I appreciate your engagement in this discussion, as well as that of others in this thread. It continues to be enlightening.

JT
 
This defintion seems to be playing really fast and loose with Aristotle’s concepts, so much so that it appears to be completely separate from his philosophy. You claim that Christ, First Substance (an individual entity), Second Substance (containing the properties which define the entity as Christ), and all physical properties, become physically present (existent in our physical universe of space, time, and matter). But none of this can be detected in the physical universe of space, time, and matter.

The Bread, which has a First Substance (an entity exhibiting the properties of wheat grain pressed into a disk), and a Second Substance of “bread” (that which is made of wheat flour) is now no longer existant in the physical universe of space, time, and matter, but is replaced by the above different object? And the properties of the Bread, which arise from the Form and Material which make up its First Substance, are transfered to the above object, even though the Form doesn’t change and the Material doesn’t appear to change, because the properties don’t really become part of the above object because it contains its own properties which are present, physically, but not really because they don’t affect the physical universe? Is there any example outside of religion where a property of substance doesn’t actually manifest, but is still considered to derive from that substance?

Even lacking physical evidence, the above doesn’t make sense logically unless you throw out Aristotle’s work and start with your own philosophy cut from whole cloth and devoid of any ties to the physical world. At that point you can make up anything, claim anything, and not be proven wrong because you own the problem space, definition, and interpretation of the philosophy. Just don’t try to claim that it is based on Aristotle’s work or that it can be explained within Aristotle’s framework.

At this point, I’m not even really arguing from a position of science vs. philosphy. I don’t see how Aristole’s original philosopy even maps to the claims of the Eucharist.

But setting the similie aside, the original process appears to lack both understanding and process. You have a number of disparate claims which must be met, and an attempt at a mental framework to unite them, but upon closer examination the mental framework is not logically consistent nor based on anything. It exists in and of itself, completely separate from other philosophies, because it is designed to explain a single concept and not be applicable or logically self-consistent outside of that very narrow problem space.

Which ultimately makes it very subjective. You have to believe it for it to be true, and it is unverifyable.

On this I would largely agree, exempting the terms “powers” and “ultimate particles” as we have not established their meanings yet in this conversation. 🙂

Replace the word “happens in” with “exists in” and I’ll agree here as well. 🙂

Agreed. I appreciate your engagement in this discussion, as well as that of others in this thread. It continues to be enlightening.

JT
Hello JThomas,
You appear to claim that the doctrine of what takes place in transubstantiation as expounded by St Thomas Aquinas using Aristotle’s philosophy is not logically consistent with Aristotle’s philosphy. I have yet to see any evidence from you in support of this claim. Can you provide any evidence where Thomas Aquinas’ explanation of what takes place in transubstantiation using Aristotelian concepts is radically different from Aristotle’s own philosophy?

I will add that St Thomas Aquinas based much of his philosophical teaching on Aristotle but he also corrected Aristotle where need be and in some areas such as metaphysics and the distinction between essence and existence went beyond Aristotle to a deeper understanding of reality and truth. Aquinas had the light of faith, the truth of Holy Scripture, and the teaching of the Catholic Church to guide him in his philosphy whereas Aristotle was lacking in these things which is why Aristotle, though he had a brillant intellect, made some horrible blunders.
 
This defintion seems to be playing…
Yes. But a miracle, by definition, violates all rules of nature - and of philosophy too.
The Bread, which has a First Substance…
Not quite sure what you art saying here. Let me explain it again. Every created being has a nature or essence formed of what Aristotle and Thomas call signed or signate matter and a substantial form. This composit is called Second Substance and from it flow all the properties, powers, physicalities, identifying marks. etc. of the object they both call First Substance. First Substance, considered in itself, has no form other than the numerous accidental forms, the properties, powers, etc. just mentioned. First Substance, or we should say, the assortment accidental forms of this being inheres in the Second Substance but primarily in the Substantial Form. There is no overarching " thing " called First Substance. Aristotle and Thomas both used it and, after them, many of those who followed. It is simply a way to corral all those accidental forms just mentioned. Actually, there is no such thing as First Substance. It is a tool used for convenience. This man, Socrates, is a Substance, but you do not see the Substance, you see the collection of accidental forms of the accidents. Nor do you see his Substantial Form, his soul, you see its manifestations.

In the act of Transubstantiation, only the accidents of the bread and wine remain, including quantity. This collection of accidental forms is what science sees and measures.

I honestly don’t know what you are saying in the last sentence, so I won’t comment.
Even lacking physical evidence, the above doesn’t make sense logically unless you throw out Aristotle’s work…
We don’t claim that Transubstantiation reflects Aristotle’s work, only that we have used his terms to explain what is happening, not how it happens. We do not claim it ** proves** anything, we never have. A miracle cannot be proven, it is something beyond any proof. The proof is that God, who created and guides the universe has done something that cannot be proven or adequately explained. It happens because God decided to do it.
But setting the similie aside, the original process appears to lack both understanding and process…
I could argue a little with this statment but the Church simply searched for a way to explain what happens, not how it happens. And you are correct, there is no other exact example. Although, if you examine all the miracles worked by Christ and the Apostles and some of the other Dogmas of the Church, you will find many things which excape natural and/or scientific explanation. And miracles have been happening even until this moment. Again, I remind you that God, who created the universe, including man, and guides it to its proper end is perfectly able to act beyond the powers of nature.
Which ultimately makes it very subjective. You have to believe it for it to be true, and it is unverifyable.
Unverifiable, not subjective. God is the epitome of objectivity. It is subjective only from our human perspective.

Again, I thank you for your interest. You are one of the few atheists to appear in these forums who has bothered to take an interest in the teachings of either Aristotle, St. Thomas, of the Church.

Linus2nd
 
It appears that some are wanting to have a physcial explanation of transubstantiation when no explanation will suffice. There is no physical change that can be measured or seen - with the exception of Eucharistic miracles.

At the consecration, there is a change in the substance of the matter, but the effect of that change is “short stopped” and does not prevail to the accidents of the original substance. The change can not be seen, measured, or explained on a physical level. The change is transcendent to the physical properties of the substance.

The laws of nature dictate that the substance of matter is defined by the accidents. However, transubstantiation is not natural…it is supernatural. Trying to define it in physical terms is like trying to define everything about a person by a photograph…it can’t be done.

“Cannot the words of Christ, which were able to make what was not out of nothing, change those things that are into the things that were not?..St. Ambrose”

God Bless,
CSJ
Yes it is supernatural but we also believe that the bread literally AND physically changes. I can see your explanation sufficing for the soul, for example, because the soul is immaterial and strictly spiritual. You do realize that Catholicism teaches the bread and wine physically and literally change, not just spiritually? If something undergoes a physical change, it should by definition, be able to be explained physically as well. Not that I doubt the word of God, but anyone can claim anything in any philosophy and there has to be a reasonable way, objectively, to separate truth from falsehood.
 
Those 5 calories are the “accidents” of that piece of bread. The accidents of that bread remain.
That seems inconsistent. The accidents as far as appearance, feel, taste, weight may remain, but calorically, if it is literally not bread and wine, then that nutritional information should change while remaining under the illusion of bread and wine. We are saying it is literally Christs flesh, not figuratively or simply spiritually.
 
That seems inconsistent. The accidents as far as appearance, feel, taste, weight may remain, but calorically, if it is literally not bread and wine, then that nutritional information should change while remaining under the illusion of bread and wine. We are saying it is literally Christs flesh, not figuratively or simply spiritually.
You can’t just have a container of “calories”. Calories do not exist on their own; they exist in something. Thus they are “accidents” that subsist in a “substance” (per your example, the Communion bread that contained 5 calories).
 
And if not from food, just where do you think the matter that forms new flesh in a growing body comes from? or the new cells that are constantly being formed to replace dying cells?

It’s the body of Christ. Even Jesus calls it His “body”.
One does not have to preface “body” with “substance of His” every time we speak of the Eucharist. You obviously didn’t read the Catechism section I linked. Here is a part of it: 1375 It is by the **conversion of the bread and wine into Christ’s body and blood **that Christ becomes present in this sacrament. the Church Fathers strongly affirmed the faith of the Church in the efficacy of the Word of Christ and of the action of the Holy Spirit to bring about this conversion. Thus St. John Chrysostom declares:

It is not man that causes the things offered to become the Body and Blood of Christ, but he who was crucified for us, Christ himself. the priest, in the role of Christ, pronounces these words, but their power and grace are God’s. This is my body, he says. This word transforms the things offered
​

I suggest also that you read John 6:48 and subsequent verses.
John 6:53 *So Jesus said to them, "Truly, truly, I say to you, unless you **eat the flesh ***of the Son of man and drink his blood, you have no life in you; 6:54 he who eats my flesh and drinks my blood has eternal life, and I will raise him up at the last day.
St. John Chrysostom from Antioch is absolutely right !

I suggest you read John 6:63 “It is the spirit that gives life, the flesh is of no avail; the words that I have spoken to you are spirit and life”

The words transform the ordinary bread to living bread ! The words makes the bread alive, like the spirit makes the flesh alive, without the spirit the flesh is nothing. The words are spirit and life to the bread.
 
St. John Chrysostom from Antioch is absolutely right !

I suggest you read John 6:63 “It is the spirit that gives life, the flesh is of no avail; the words that I have spoken to you are spirit and life”

The words transform the ordinary bread to living bread ! The words makes the bread alive, like the spirit makes the flesh alive, without the spirit the flesh is nothing. The words are spirit and life to the bread.
Actually, they transform ordinary bread into living flesh – into our Living Lord Jesus.- His living body, blood, soul and divinity.
 
Thank you all for this very important discussion.
What can seem complicated explanations do lead to the simple truth.
It is my understanding that consecrated, the bread has become much, much more than it was.
Retaining (in memory of the last supper and as a living symbol of the fact that we do not live by bread alone) its material properties (i.e.: those which the senses and physics perceive), it is at the same time the body of Christ.
This is the reality of the Eucharist.
 
It appears that some are wanting to have a physcial explanation
…“Cannot the words of Christ, which were able to make what was not out of nothing, change those things that are into the things that were not?..St. Ambrose”

God Bless,
CSJ
They all knew the words of Christ are crucial 👍
 
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