I will be very small

I have a counterintuitive view that our bodies can be extremely defective, to the point that we can exist with a body that’s just a couple of atoms. But counterintuitive as this view is, I have an argument for it.

Start with this little geometric result about Minkowski spacetime. Think of a reference frame F as a maximal set of spacelike hyperplanes called F-times. If T is an F-time, and K is a region of spacetime, then the T-slice of K is the intersection of K and T.

Proposition. Let K be a bounded non-empty region of spacetime. The following is true for almost every reference frame F. For every ϵ > 0, there are F-times T₁ and T₂ less than ϵ apart, with the properties that (a) all of K is temporally before T₂ (according to F), (b) the T₁-slice of K is non-empty, and for any F-time T between T₁ and T₂ inclusive, and any two points w and z in the T-slice of K, the F-distance between w and z is less than ϵ.

(This follows from the result here. We can identify a reference frame with wthe future-facing unit normal vector of its times, and then “almost every” is understood with respect to the Lebesgue measure on the unit sphere.)

For simplicity, and as the approximation is surely appropriate, assume that special relativity is right. Let K be the four-dimensional region occupied by my body during my life. Assume K is bounded, which sure seems intuitively plausible (there are some quantum issues here which I will ignore for now). Then it follows from the Proposition that, according to almost every reference frame, there is a time T₂ within a nanosecond of my death such that the T₂-slice of my body (or the region K occupied by it) is less than a nanoneter in size.

So not only can I be really small, but I will be really small, according to most reference frames.

Does Christianity require a belief in matter?

The doctrines of incarnation, resurrection and real presence certainly require us to believe ordinary language existence claims about bodies, bread and wine. It's hard to take Scripture to be inspired without believing ordinary language existence claims about plants, animals, mountains, seas, etc. But do we need to believe that there is matter?

A search of the Church Councils up to and including the First Vatican Council turns up nothing dogmatic about "matter" in the relevant sense of the word (I am not including the technical sense of "matter of a sacrament" in sacramental theology). Searching for "material" finds some talk of material weapons, material flesh, and material food and drink. But I think that it would seem to me to be an overreach to take the Councils to be dogmatically teaching that weapons, flesh and food and drink are material. Rather, the relevant distinction seems to be between the spiritual weapons, spiritual flesh and spiritual food and drink and their ordinary earthly versions, rather than teach something about the nature of the ordinary versions, except that they differ from the spiritual.

I used to think that we need to believe hylomorphism. After all, the Fifth Lateran Council teaches that the soul is the form of the body. But while this gives us the morphê (form) part of hylomorphism, it doesn't give use the hyle (matter) part. We need to believe that the soul is the form of the body; not that it is the form of the matter.

If this reading of the Tradition is right, then Christian philosophers do not need to try to figure out the knotty question of what constitutes materiality. We have to accept, in some way, the existence of bodies, bread and wine, but we don't have to say that these things fall into some philosophically important kind like "matter". The handful of statements about "material" things we can simply understand in the vague way as about "things relevantly like ordinary things around us", without thinking that matter is any kind of metaphysically or physically important kind. We don't have to worry that if it turns out on our best science that physical reality is constituted by fields rather than particles, then we will have a conflict between faith and science. We still would have to find a way of locating bodies, bread and wine within physical reality, but we would not have to identify them with bits of matter.

Of course, it may turn out that the concept of matter has philosophical or scientific use apart from the needs of faith. But I have a suspicion that thinking about the nature of the body may be more promising than thinking about the nature of matter.

Nervousness about presentations: A solution

I am sometimes particularly nervous about presentations, either because I don't feel as confident about my content or because the content is particularly controversial. I've recently found a way to remove most of that stress: go to a climbing gym and climb to the top a couple of times. I've done this twice recently, once before giving a talk at the Central APA and once today before being a guest speaker (well, mainly, grillee: they read my paper and questioned me after I gave a brief synopsis of my ideas) at an undergraduate class on sexual ethics. Both times I had the experience that after climbing the nervousness about the presentation mostly went away. And when I sensed it coming back, both times all I had to do was to call to mind a vivid memory of holding on high up and I relaxed immediately and the nervousness went away again. The memory of recent physical effort and accomplishment combined with the recent illusion of danger made tough questions from an audience just not seem like the big deal that they otherwise would have. Particularly at the APA talk, I also felt that my presentation quality went up significantly: I think I was more fluent and dynamic.

I thought I'd share this solution. There are probably many others of a similar sort.

A fun argument for dualism

I'm told that a version of the following argument is somewhere in C.S. Lewis:

1. (Premise) Our embodiment is universally seen as funny.
2. (Premise, justified inductively by 1) Our embodiment is objectively funny.
3. (Premise) The essence of the funny is incongruity.
4. (Premise) If materialism is true, there is no incongruity in our embodiment.
5. (Premise) If materialism is false, then dualism is true.
6. There is incongruity in our embodiment. (2 and 3)
7. Materialism is false. (4 and 6)
8. Dualism is true. (5 and 7)

It is not good for a man to be alone

Christ is in heaven, with a glorified body. Glorification does not destroy what is essentially human. A glorified body, thus, has a mouth, eyes, ears, and all that. There is more to it than that. But what normal human beings have, Christ has in heaven. But there would be something unnatural, something lacking in the glorification, if Christ had a mouth and ears, but there was no fellow human being there for him to talk to. Our bodies exist in large part for interaction with others (that our bodies are signs of our being-for-others is a central insight of John Paul II's theology of the body). A single embodied human being just does not make all that much sense.

But if there is a fellow human being in heaven for Christ to be in human communion with, then who is this fellow human being? It is right and proper to confer honor upon our parents. Thus, his mother is a very plausible candidate. There would be something unfitting about his conferring that honor on someone other than his mother, and not on his mother, given the commandment of filial devotion, unless his mother were not a disciple of his—which, the Christian tradition insists, she was. (Indeed, I think it is right to read the New Testament as presenting her as the paradigmatic disciple.)

Objection 1: This argument proves too much. For a glorified body also includes reproductive organs, and so a parallel argument would show that to live a full, glorified human life requires reproduction.

Response: Probably, reproduction is only a natural function of a human being for a limited portion of the human being's life. Moreover, there is a way in which we can transcend the physically reproductive life through spiritual reproduction—through devoting our lives in celibacy to spreading the Gospel. But some form of bodily interaction with other human beings—whether through talking or hugging or just looking in another's eyes—seems essential to a naturally fulfilling human life at just about all its mature (and maybe even immature) stages.

Objection 2: The need for bodily communion is satisfied through Christ's giving of himself to us bodily in the Eucharist.

Response: Christ's giving of himself to us in the Eucharist does not seem to make use of any of the natural faculties of his glorified body. There is a kind of natural bodily communion with others that is called for.

Objection 3: Mary survived at least some time past Christ's ascension into heaven. So if Mary is the only one assumed into heaven, for a while Christ was bodily alone in heaven, only surrounded spiritually by the souls of those he brought out of Sheol.

Response: Maybe then we have to say that more people were assumed bodily into heaven. Moses and Elijah are good candidates on Scriptural grounds. But the argument that it would unfitting for Mary not to be assumed as well if anybody is, given the special honor to be paid to parents, still remains. Or, maybe, we should say that there is nothing deeply unnatural in a human being's being alone for a while, even for a couple of years. But to be alone for a significantly greater amount of time would be unnatural.

Objection 4: Maybe time runs at a different rate in heaven, and it'll only be five minutes of heavenly time between Christ's ascension into heaven and the Last Judgment.

Response: Could be. I think such a difference in the rate of time, though, weakens the way in which Christ is in human communion with us. But I acknowledge that the different-rate hypothesis is a viable one, and hence weakens the argument.

Fittingness arguments, like the one I offer, are not meant to be conclusive. But they do increase the probability of the claim. Or, at least, the argument could help explain why it is that the doctrine of Mary's assumption is not something weird, unexpected and ad hoc, if the doctrine actually can be seen as helping to solve a genuine problem, the problem of Christ's bodily aloneness.