Appendix D
The Hypostatic Union, the Three Days, and the Cost of a Soulless Christ
Chapter 27 made the Christological case against Christian physicalism in compressed form. The claim there was simple. If Jesus has no immaterial soul, then at His death His human nature ceases to be — and the hypostatic union, which Chalcedon calls permanent, dissolves for three days. None of the answers Christian physicalists have offered solves that problem. The chapter laid out the case and moved on.
This appendix slows down. It takes each of the major Christian-physicalist authors I named in the chapter — Joel Green, Nancey Murphy, Trenton Merricks — and works through what they actually say, where their accounts succeed, and where the Christological cost shows up. It also takes up two questions the chapter only gestured at: the resurrection-identity problem (in what sense is the Risen Christ the same person as the Crucified Christ if His human nature briefly ceased to exist?) and the broader anthropological implications. If Jesus has a human soul, what does that say about us?
I write this as a fellow member of the conditional-immortality movement and as someone who reads Green and Murphy with admiration. The argument is not against them. The argument is against the metaphysical anthropology they have adopted, which I believe is dispensable for CI and damaging for orthodox Christology.
"Physicalism" in philosophy of mind is the claim that human beings are entirely physical. There is no immaterial soul. The mind is what the brain does. When the brain stops, the mind stops.1
"Christian physicalism" is the same thesis, held by Christians who believe God will resurrect the body. On this view, the dying Christian is not present with Christ in any conscious sense between death and the general resurrection. There is no "I" in the interval. God preserves the pattern; God will reconstitute the person; but in the meantime, the person simply is not.
The Christian-physicalist literature divides into two camps. Strict Christian physicalism (sometimes called eliminative or reductive) says the mental is fully reducible to the physical. Nonreductive Christian physicalism says the mental is not reducible — there is genuine downward causation, real moral agency, real freedom — but there is still no immaterial soul. The mental "supervenes" on the physical without being identical with it.2 Joel Green and Nancey Murphy are nonreductive. Most working scientists in the field are reductive.
Within evangelical theology — and especially within the conditional-immortality movement — the nonreductive version has gained ground in the last twenty years. The argument runs roughly: the Hebrew Bible never speaks of a separable soul; the alleged dualism of the New Testament is a Greek import; therefore biblical anthropology is "monistic" or "physicalist." Add Christian-physicalist accounts of the resurrection (God reconstitutes you on the last day), and you have a coherent-looking position that some find biblically more honest than the older dualism.
I have argued at length elsewhere that the Hebrew-anthropology argument is bad biblical exegesis.3 Here I am asking a different question: even if we set the exegetical case aside, what does Christian physicalism do to Christology?
Green's 2008 monograph is the best evangelical statement of nonreductive Christian physicalism. He is a careful New Testament scholar, an irenic interlocutor, and a serious theological conversation partner. Anyone who wants to engage Christian physicalism honestly has to engage Green.4
Green's central move is exegetical. He argues that the Old Testament nephesh (often translated "soul") and the New Testament psyche are not the names of an immaterial inner part. They are ways of naming the whole living person. The Bible's anthropology is "holistic" — body and soul together, indivisible. Death is the end of the person, full stop, until God resurrects them. Green's reading of 2 Corinthians 5 and Philippians 1 reframes Paul's hope of being "with Christ" as the prospect of the resurrection, not of an intermediate state.
Where Green is strongest, he is genuinely strong. Hebrew anthropology really is more concrete, more embodied, less compartmentalized than later Greek and Latin theology. The Bible is not Cartesian. I grant all that. The dualism the NDE evidence supports is not Cartesian dualism either — it is the holistic dualism that John Cooper and J. P. Moreland defend, in which body and soul are deeply unified during embodied life and only separable at death.5
The Christological cost shows up where Green is briefest. In a book of more than two hundred pages on biblical anthropology, the death of Jesus and the question of what happens between cross and resurrection receives only a few paragraphs. Green's working answer is what I called in Chapter 27 the "no-gap" position: the resurrection happens immediately from the perspective of the dead — "the next thing they know" — so there is no real interval to explain. Time, for the dead, simply skips from Friday to Sunday.
Green also gestures toward a "memory" or "pattern" account of resurrection identity: God remembers the person; God reconstitutes them. This kind of move has a long lineage in Christian-physicalist work, from John Hick onward. The trouble is that for ordinary believers, the question of identity across the gap is bad enough. For the incarnate Son, it is an outright Christological problem.6
I want to be fair to Green. He is not arguing for heresy. He is, by his own lights, defending the resurrection of the body against a soft Platonism that has often eclipsed it in popular evangelical piety. He is right that "go to heaven when you die" is not the gospel. The eschatological hope is the resurrection. But the conscious intermediate state is a real biblical doctrine and a real Christian inheritance, and his exegesis cannot finally do without it without leaving Holy Saturday a void.
Murphy's 2006 Cambridge volume is the most philosophically rigorous Christian-physicalist statement to date. Murphy is a former Fuller theologian, a philosopher of science, and a serious participant in the science-and-theology dialogue. Her case interlocks with broader work on emergence and supervenience in philosophy of mind.7
Murphy's framework is what philosophers call "nonreductive physicalism with downward causation." The brain is the substrate of the mind. Mental states are not separate substances. But mental states have real causal power — they really cause physical events, not just the other way around. The result is a world in which there is no soul, but there is genuine moral agency, genuine reasoning, genuine love.
Murphy's strongest contribution is to show that traditional dualism is not the only way to preserve human dignity. You can have a robust account of moral responsibility and personal continuity without an immaterial substance. I take her seriously enough that I think the contemporary dualist must engage her, not dismiss her.
The Christological problem for Murphy is, if anything, sharper than for Green. Murphy is more philosophically committed. She presses harder on the no-soul claim. And when she comes to Christ, the gap is wider. Her treatment of the death and resurrection of Jesus in Bodies and Souls is, by her own admission, not the book's main concern. She defers most of the Christological work to her later collaborations with Warren Brown and others.
What she does say tends toward the same "no-gap" or "patternist" answer as Green. The resurrection bridges the discontinuity. God preserves what is needed for personal identity. There is, in the meantime, no Jesus.
Murphy's attempt to handle continuity through nonreductive supervenience does not solve the problem at the Christological level. Supervenience needs a substrate. There is no substrate during the three days. Whatever supervenes on the physical organism Jesus is gone for the interval, on her account, regardless of whether it is "soul" or "spirited bodily life." The Logos remains. The human nature does not.
Trenton Merricks at the University of Virginia is the most philosophically careful materialist working on resurrection. He has not committed to full Christian physicalism. He has, instead, explored its philosophical structure rigorously and surfaced its problems.8
Merricks' work on "gappy existence" is directly relevant. Can a physical object cease to exist and then come back into existence as numerically the same object? Merricks thinks so, under certain conditions. A watch can be disassembled into parts, the parts can sit on a table, and then the watch can be reassembled. Most of us think the rebuilt watch is the same watch. So why not human persons?
The answer is that watches are artifacts, defined by function, not by inner principle of life. Human persons are not artifacts. If you and I cease to exist, and a being qualitatively identical to us comes into existence later, the question of whether that is numerically me has been a battlefield in personal-identity philosophy for fifty years. Bernard Williams, Derek Parfit, and Eric Olson have taken different sides. The intuition that pushes back hardest against gappy existence is that, in the gap, there is nothing for the later being to be continuous with. Mere divine memory of me is not me.
Lynne Rudder Baker took similar caution to similar ends. Her "constitution" account of personal identity tried to do justice to the integrity of the human person without positing a soul. She was clear that her view faced real problems with the death-and-resurrection interval, and she was honest about it.9
What is striking about Merricks and Baker is that they have looked at the philosophical problem the harder Christian physicalists tend to wave past. Their work is, in a sense, an internal warning. The gap is real. The continuity is not free. And if the gap is hard for ordinary believers, it is much harder for the incarnate Son, in whom the question is not just identity-of-Jesus across an interval but identity-of-the-Logos's-human-nature across an interval.
Let me restate the Christological problem cleanly. Chapter 27 develops it in narrative form. Here it is in formal steps.
Premise one. Chalcedon (451) defines the hypostatic union as the union of the divine and human natures in the one person of the Logos, "without confusion, without change, without division, without separation." The fathers at Chalcedon meant this union to be permanent. Once the Logos took human nature, He never relinquished it.10
Premise two. Christian physicalism holds that human nature is physical. There is no soul. A human being is, fundamentally, a living organism.
Premise three. At the crucifixion, the body of Jesus died. By the standards of any biology — His or ours — the organism ceased to function. The body lay in the tomb until the morning of the third day.
Conclusion. On Christian physicalism, between cross and resurrection, Jesus' human nature did not exist. (His body existed as a corpse, but a corpse is not a human nature; a corpse is the remains of one.) Therefore the Logos was without human nature for the interval. Therefore the union was, in some sense, broken. Therefore the permanent union taught at Chalcedon did not, on this view, hold.
The three options for escaping this conclusion are, as Chapter 27 showed, all worse than the dualist option. Patripassianism (the divine nature suffered death) was condemned by the early church as a Trinitarian heresy. Temporary dissolution denies the permanence of the union and creates a numerical-identity problem at the resurrection. The "no-gap" denial contradicts the explicit teaching of Scripture: Jesus was buried; on the third day He rose. The third day is a real day. Holy Saturday is a real day. To deny either is to deny the apostolic deposit.11
The dualist alternative is straightforward, ancient, and Scriptural. At the cross, Jesus committed His pneuma ("spirit") to the Father (Luke 23:46). His soul departed His body. His soul descended (1 Peter 3:18-19) and ministered to the dead. On the third day, His soul was reunited with His glorified body. The hypostatic union was preserved throughout because the human soul of Jesus continued in personal union with the Logos. The body died. The human nature did not.
Now the question Chapter 27 only touched. If the human nature of Jesus ceased to exist between Friday and Sunday, in what sense is the Risen One identical with the Crucified One?
This is the resurrection-identity problem. It applies to ordinary humans on Christian-physicalist accounts as well: if I cease to exist at death and a qualitatively identical "me" comes into existence at the general resurrection, am I raised, or is a different person who happens to share my memories raised?12 Most Christian physicalists answer this with some version of "God is the bridge of identity." It is divine fidelity, not metaphysical continuity, that makes the raised person the same as the dead person.
The trouble is that for Christ, this answer creates a Trinitarian as well as a Christological knot. The Logos was, on the physicalist view, "the only divine person involved" in maintaining identity — there was no human-side continuity in the interval. So either the Logos somehow was the human nature during those days (which moves toward monophysitism, the heresy that the human and divine natures collapse into one), or He was without human nature and then resumed it (which is the temporary-dissolution option), or there is no real gap (the no-gap option that contradicts the burial).
None of these is what Chalcedon teaches. Chalcedon teaches one person, two natures, permanent union, no confusion of natures. The dualist account meets every clause. The physicalist account meets none cleanly.
The deeper issue is that personal identity, in classical Christian theology, has always been grounded in the soul. The body is the soul's instrument and partner; without it, the soul is "unclothed" (2 Corinthians 5:4); but the soul carries personal identity through the interval. Take the soul away and you remove the carrier. Then identity must be re-grounded in something — and divine memory or pattern-preservation is, frankly, not enough to do the work.13
The Apostles' Creed says Christ "descended to the dead" (or, in some versions, "descended into hell"). The patristic tradition developed this descensus ad inferos at length. Christ went to the place of the dead and preached there (1 Peter 3:18-4:6); He led captivity captive (Ephesians 4:8-9); He took the souls of the righteous dead with Him into glory.14
Christian physicalism cannot accommodate this. If Jesus was simply not present anywhere as a human between Friday and Sunday — if His human nature did not exist — then He did not descend. The descent doctrine becomes either myth (an early-church way of speaking that we no longer mean) or pure metaphor for something else. Both options entail that the Apostles' Creed is incorrect on a clause the church has confessed for sixteen centuries.
I have written elsewhere about the deep convergence between the patristic descent tradition and the NDE encounter pattern.15 Souls who clinically die report meeting a luminous figure; the NDE evidence supports a substance-dualist anthropology in which souls really do exist apart from bodies; and the patristic descent doctrine teaches that Christ Himself was the one who met the dead. These three converge on a single picture, and the picture is not compatible with Christian physicalism.
If Christ has a human soul — and the church has always confessed that He does, every Sunday in the creeds — then humans have souls. The Council of Constantinople in 381 wrote into the creed the conviction that Christ took a complete human nature, body and rational soul. Apollinaris had taught that the divine Logos took a human body but not a human soul; the church condemned him. Christ "took flesh and was made man." The "man" includes the soul. Christ's soul is the model and ground of the human soul.16
This has direct consequences for evangelical theological anthropology, especially within the conditional-immortality movement.
If humans have souls, the conscious intermediate state is no longer scandalous; it is expected. "Today you will be with me in Paradise" (Luke 23:43) means what it sounds like. "Absent from the body, present with the Lord" (2 Corinthians 5:8) means what it sounds like. The souls under the altar (Revelation 6:9-11) are real conscious souls. None of this requires denying the resurrection of the body. The intermediate state is not the final hope; resurrection is. But the intermediate state is real.
If humans have souls, the imago Dei ("image of God") has a specific locus. The image is not just a relational or functional designation, though it includes both. It includes the rational, moral, immaterial principle by which we resemble God's own immaterial life. Physicalism cannot ground this without strain. Dualism can.
If humans have souls, the dying Christian can be told the truth: when your body dies, your soul will go to be with Christ. You will not cease to exist. You will not be paused. The Christ you have loved will receive you. The historic Christian tradition has said this for two thousand years. It said it because it is true.
This appendix has not refuted the Hebrew-anthropology argument (that work is in Beyond the Grave Ch. 6 and the dissertation Ch. 5). It has not relitigated the empirical case for substance dualism (Parts III–V of this book do that, with the synthesis in Chapter 23). It has not defended ECT, which the author rejects, or settled the CI-vs-UR question, which the author treats elsewhere.
What it has done is take three of the most serious Christian-physicalist authors — Joel Green, Nancey Murphy, and Trenton Merricks — and show that none of their accounts has solved the Christological problem the position creates. The hypostatic union is permanent. The human nature of Christ cannot have ceased to exist for three days, even on a "no-gap" reading. The resurrection-identity problem is real and unresolved. The descent doctrine, confessed by the church for sixteen centuries, requires a soul-bearing Christ.
I write this as a friend of CI, not its enemy. The CI movement is doing important work. But the recent drift toward Christian physicalism is not a strength. It introduces problems where dualist CI has none. The empirical evidence from veridical NDE research and the theological evidence from Chalcedonian Christology converge on the same conclusion: humans have souls. So does Jesus. He always did and always will. He is the one who descended and the one who rose. He is the one who meets the dying — the one who came to save you, and me, and every soul who has ever crossed the threshold.
↑ 1. For a clear philosophical introduction to physicalism see Daniel Stoljar, Physicalism (London: Routledge, 2010). For the Christian-physicalist version, the foundational texts are Joel B. Green, Body, Soul, and Human Life: The Nature of Humanity in the Bible (Grand Rapids: Baker Academic, 2008); Nancey Murphy, Bodies and Souls, or Spirited Bodies? (Cambridge: Cambridge University Press, 2006); and the essays in Joel B. Green and Stuart L. Palmer, eds., In Search of the Soul: Four Views of the Mind-Body Problem (Downers Grove, IL: InterVarsity, 2005).
↑ 2. The classic statement of nonreductive physicalism is Donald Davidson's "Mental Events" in Essays on Actions and Events (Oxford: Clarendon, 1980). Murphy's adaptation for Christian theology appears in Nancey Murphy and Warren S. Brown, Did My Neurons Make Me Do It? Philosophical and Neurobiological Perspectives on Moral Responsibility and Free Will (Oxford: Oxford University Press, 2007). For a critical survey, see Jaegwon Kim, Physicalism, or Something Near Enough (Princeton: Princeton University Press, 2005).
↑ 3. The most thorough evangelical refutation of the Hebrew-anthropology argument is John W. Cooper, Body, Soul, and Life Everlasting: Biblical Anthropology and the Monism-Dualism Debate, rev. ed. (Grand Rapids: Eerdmans, 2000), chs. 2–4. See also the author's dissertation, Near-Death Experiences as Evidence for Substance Dualism within the Conditional Immortality Debate (Trinity College of the Bible and Trinity Theological Seminary, 2025), ch. 5.
↑ 4. Green, Body, Soul, and Human Life. Green's earlier essay "Body and Soul, Mind and Brain: Critical Issues" in Green and Palmer, In Search of the Soul, lays the groundwork.
↑ 5. Cooper, Body, Soul, and Life Everlasting, ch. 7, articulates "holistic dualism" as the historic Christian position. J. P. Moreland and Scott B. Rae, Body and Soul: Human Nature and the Crisis in Ethics (Downers Grove, IL: IVP, 2000), defend a similar account. See also J. P. Moreland, The Soul: How We Know It's Real and Why It Matters (Chicago: Moody, 2014).
↑ 6. John Hick's "replica" theory appears in Death and Eternal Life (San Francisco: Harper & Row, 1976). For sustained philosophical critique of patternist resurrection accounts, see Stephen T. Davis, Risen Indeed: Making Sense of the Resurrection (Grand Rapids: Eerdmans, 1993), and Eric T. Olson, What Are We? A Study in Personal Ontology (New York: Oxford University Press, 2007), ch. 6.
↑ 7. Murphy, Bodies and Souls. See also her essay "Human Nature: Historical, Scientific, and Religious Issues" in Warren S. Brown, Nancey Murphy, and H. Newton Malony, eds., Whatever Happened to the Soul? Scientific and Theological Portraits of Human Nature (Minneapolis: Fortress, 1998), the volume in which the contemporary Christian-physicalist program received its most influential collective statement.
↑ 8. Trenton Merricks, "There Are No Criteria of Identity Over Time," Noûs 32, no. 1 (1998): 106–24; "The Resurrection of the Body and the Life Everlasting" in Michael J. Murray, ed., Reason for the Hope Within (Grand Rapids: Eerdmans, 1999), 261–86; Objects and Persons (Oxford: Clarendon, 2001).
↑ 9. Lynne Rudder Baker, "Persons and the Metaphysics of Resurrection," Religious Studies 43, no. 3 (2007): 333–48; The Metaphysics of Everyday Life: An Essay in Practical Realism (Cambridge: Cambridge University Press, 2007).
↑ 10. The Chalcedonian Definition is in Norman P. Tanner, ed., Decrees of the Ecumenical Councils, vol. 1 (Washington, DC: Georgetown University Press, 1990), 86. For the dogmatic theology of the permanent hypostatic union, see Oliver D. Crisp, Divinity and Humanity: The Incarnation Reconsidered (Cambridge: Cambridge University Press, 2007), and Thomas G. Weinandy, Does God Suffer? (Notre Dame: University of Notre Dame Press, 2000), chs. 4–6.
↑ 11. The "third day" is in 1 Corinthians 15:4 and the unanimous Gospel testimony. For the patristic insistence on the burial as a real interval, see the relevant sections of Athanasius, On the Incarnation, and Cyril of Alexandria's Letter to Nestorius (in Tanner, Decrees, 1:39–61).
↑ 12. The resurrection-identity problem has a substantial recent literature. See Kevin Corcoran, ed., Soul, Body, and Survival: Essays on the Metaphysics of Human Persons (Ithaca: Cornell University Press, 2001); Stephen T. Davis, "Survival of Death" in Charles Taliaferro, Paul Draper, and Philip L. Quinn, eds., A Companion to Philosophy of Religion, 2nd ed. (Malden, MA: Wiley-Blackwell, 2010), 594–602; and the careful treatment in Joshua R. Farris, An Introduction to Theological Anthropology: Humans, Both Creaturely and Divine (Grand Rapids: Baker Academic, 2020), ch. 6.
↑ 13. The classical position is articulated in Thomas Aquinas, Summa Theologiae I, q. 75–76, where the soul is the form of the body and the principle of personal identity. For a contemporary philosophical defense, see Richard Swinburne, The Evolution of the Soul, rev. ed. (Oxford: Clarendon, 1997), and Mind, Brain, and Free Will (Oxford: Oxford University Press, 2013).
↑ 14. The standard study is Jeffrey A. Trumbower, Rescue for the Dead: The Posthumous Salvation of Non-Christians in Early Christianity (Oxford: Oxford University Press, 2001). See also Alyssa Lyra Pitstick, Light in Darkness: Hans Urs von Balthasar and the Catholic Doctrine of Christ's Descent into Hell (Grand Rapids: Eerdmans, 2007), for a careful retrieval of the patristic-medieval consensus.
↑ 15. See Chapter 25 of this book on the descent and the NDE encounter pattern; and the dissertation, ch. 5.
↑ 16. The Apollinarian controversy and its rejection are treated in J. N. D. Kelly, Early Christian Doctrines, rev. ed. (San Francisco: HarperOne, 1978), 289–95. The Constantinopolitan Creed (381) and the subsequent Cappadocian theology insist on Christ's complete humanity, body and rational soul.