The CES Letter has become one of the most influential critiques of Latter-day Saint truth claims in the modern era. For many readers, it is not merely persuasive but decisive—once encountered, belief feels intellectually untenable. That effect alone warrants careful engagement.
This essay is not a rebuttal in the conventional sense. It is not an attempt to refute each claim, nor to rehabilitate institutional authority, nor to harmonize every tension. Those efforts exist elsewhere, and they tend to replay familiar debates without resolving the deeper disagreement.
Instead, this essay asks a more foundational question:
What if the CES Letter is asking the wrong kind of question?
More specifically: what if many of its arguments rely on assumptions that collapse once religion—and the Book of Mormon in particular—is approached as a complex adaptive system rather than as a brittle collection of isolated propositions?
This post lays out that system-level critique. Later posts will address individual CES Letter claims in detail. For now, the goal is to clarify why many of the letter’s most compelling arguments derive their force from unexamined philosophical assumptions about how religion should work.
Religion Is Not a Spreadsheet
At an implicit level, the CES Letter treats religion like a ledger of claims:
- If claim A fails
- and claim B is implausible
- and claim C lacks external corroboration
- then the system collapses
This logic feels natural to modern readers trained in analytic reasoning. But it assumes that religious systems behave like technical manuals or scientific theories. They do not.
Religions are better understood as complex adaptive systems:
- historically layered
- socially reinforced
- symbolically dense
- capable of absorbing contradiction without collapse
Complex systems are not evaluated by the absence of anomalies. They are evaluated by:
- resilience under stress
- capacity for reinterpretation
- meaning-generation across generations
- ability to coordinate identity, ethics, and community
From this perspective, many CES Letter arguments are not wrong so much as misapplied. They test religion using tools optimized for domains where linear causation and error elimination are appropriate. Theology does not operate in that regime.
1. Linear Falsification in a Nonlinear System
A recurring pattern in the CES Letter is linear falsification:
If one element is false, the entire system is false.
CES Letter examples
The most obvious instance is the discussion of anachronisms—horses, steel, chariots, and similar elements. The argument runs as follows:
- Horses did not exist in pre-Columbian America
- Therefore the Book of Mormon narrative cannot be ancient
- Therefore Joseph Smith fabricated it
- Therefore Mormonism is false
This is a textbook example of linear reasoning applied to a nonlinear system.
Why the question is misframed
Complex narrative systems—especially sacred ones—do not behave like brittle chains where one weak link causes total failure. Ancient epics, national origin myths, and sacred histories routinely contain elements that are:
- symbolic rather than literal
- anachronistically framed
- filtered through later cultural understanding
The CES Letter does not ask the system-level question:
“Does this anomaly destabilize the system’s ability to generate meaning, identity, and ethical coherence over time?”
It assumes collapse rather than testing resilience.
2. Revelation Treated as Error-Free Data Transmission
Another foundational assumption in the CES Letter is that revelation should function as perfect information transfer.
Under this model:
- God possesses all facts
- Humans receive those facts
- Errors imply corruption or deception
CES Letter examples
King James Bible passages
The CES Letter points out that Isaiah passages in the Book of Mormon reproduce King James Version language, including known translation issues. The implied question is:
“Why would God reproduce flawed 17th-century English errors?”
Translation mechanics (seer stone and hat)
The letter treats nonliteral translation processes as evidence of deception, assuming divine communication should resemble transparent dictation.
Why the question is misframed
This critique presupposes a model of revelation that most theological traditions reject. Revelation is not understood as raw data transfer; it is understood as interaction—mediated through language, culture, expectation, and cognition.
Once mediation is acknowledged, “contamination” is no longer decisive evidence of fraud. It is an expected structural feature.
The CES Letter never seriously considers the alternative question:
“What would revelation look like if it had to be intelligible to a specific human mind in a specific cultural context?”
Without that question, the critique assumes its conclusion.
3. Category Errors: Mythic Narrative vs. Modern Historicism
One of the strongest emotional appeals in the CES Letter comes from applying modern historical and scientific standards to ancient-style sacred narrative.
CES Letter examples
Archaeology
The letter emphasizes the absence of definitive archaeological evidence for Nephite or Lamanite civilizations: no inscriptions, no cities, no material culture accepted by mainstream archaeology.
DNA and population genetics
The CES Letter treats current genetic evidence as decisive proof against Israelite ancestry claims.
Why the question is misframed
Ancient sacred texts were not written to satisfy:
- modern archaeology
- population genetics
- or empirical closure
They were written to:
- establish identity
- encode moral meaning
- create covenantal narratives
- explain a people to themselves
The CES Letter never pauses to ask:
“What genre of text is this, and what standards did comparable ancient narratives operate under?”
Instead, modern historicism is treated as the neutral baseline. It is not neutral; it is a philosophical choice.
4. Origin Fixation Over Emergence
The CES Letter is heavily focused on origins:
- authorship
- source material
- textual parallels
- translation methods
These questions matter—but they are incomplete.
CES Letter examples
View of the Hebrews and The Late War
The letter highlights thematic and narrative similarities between these texts and the Book of Mormon, implying derivation and fabrication.
Joseph Smith’s education
The argument oscillates between:
- Joseph Smith was too uneducated to produce the text
- and the text is obviously a product of his environment
Why the question is misframed
Complex systems frequently emerge from:
- recombination
- bricolage
- partial borrowing
- unconscious synthesis
The relevant system-level question is not:
“Does this resemble contemporary material?”
It is:
“Why did this particular text, among many similar 19th-century religious productions, generate a durable, expanding religious system?”
The CES Letter largely ignores emergence—how the system behaved after its formation.
5. The Assumption of Divine Skeptic-Optimization
A subtle but powerful assumption throughout the CES Letter is that God, if real, would optimize revelation to eliminate reasonable doubt—especially for future skeptics.
CES Letter examples
This assumption appears implicitly in questions like:
- Why ambiguous translation methods?
- Why disputed archaeology?
- Why reliance on faith at all?
The emotional force is strong:
“If this were really from God, it wouldn’t be so messy.”
Why the question is misframed
This assumes a particular divine objective: persuasion through evidence rather than transformation through relationship, covenant, or moral struggle.
The CES Letter never asks:
“What purposes might ambiguity serve in a belief system meant to persist across centuries and cultures?”
In complex adaptive systems, ambiguity is often stabilizing. It allows reinterpretation rather than collapse when conditions change.
6. Tension Treated as Fatal Rather Than Metabolizable
One of the CES Letter’s greatest rhetorical strengths is its accumulation of tensions—contradictions, inconsistencies, unresolved questions.
The implicit claim is that tension equals failure.
CES Letter examples
Multiple First Vision accounts
Variations in Joseph Smith’s accounts are treated as evidence of fabrication.
Doctrinal development
Changes in priesthood theology, race, temple practice, and prophetic emphasis are framed as contradictions rather than evolution.
Why the question is misframed
Most enduring religious systems are tension-tolerant by design. They survive because they allow:
- narrative variation
- reinterpretation
- doctrinal development
The CES Letter does not ask:
“Does this system possess mechanisms for absorbing tension without losing identity?”
It assumes static coherence as the standard—an assumption religion has never consistently met.
7. External Attack Over Internal Coherence
Finally, the CES Letter prioritizes external falsification over internal analysis.
CES Letter examples
The letter focuses heavily on:
- disproving components
- exposing inconsistencies
- historical debunking
It engages far less with:
- narrative theology
- covenantal structure
- internal moral logic
- symbolic recursion
Why this matters
A system-level critique asks:
“Does the system collapse under its own internal contradictions?”
The CES Letter largely assumes collapse rather than demonstrating it at the system level.
What the CES Letter Is Actually Optimized For
None of this means the CES Letter is useless or dishonest. It is highly optimized—just for a specific purpose.
It is optimized for:
- modern epistemological sensibilities
- individual deconversion
- analytic dismantling of confidence
- historical literalism as a gatekeeper for belief
It is not optimized for:
- understanding religion as a living system
- explaining persistence despite critique
- analyzing meaning rather than mere plausibility
That distinction explains why the letter feels decisive to some and irrelevant to others. They are answering different questions.
Why System-Level Framing Must Come First
Before debating horses, steel, DNA, translation mechanics, or prophetic fallibility, the evaluative framework itself must be clarified.
If religion is:
- a complex adaptive system
- rather than a brittle factual ledger
Then:
- not every anomaly is fatal
- not every inconsistency is disqualifying
- not every unanswered question is evidence of fraud
This does not prove truth. It clarifies evaluation.
Conclusion: Asking Better Questions
The most important contribution of a system-level approach is not apologetics. It is intellectual hygiene.
The CES Letter often assumes:
- linear causation
- error-free revelation
- modern historicism as default
- origin purity as validation
- divine optimization for skeptic persuasion
These are philosophical commitments, not neutral facts.
When readers say the CES Letter destroyed their testimony, what often changed was not just access to new information—but adoption of a new framework for judgment.
This essay is an invitation to interrogate that framework before accepting its conclusions.
In later posts, specific CES Letter claims can be revisited with these assumptions made explicit. Some critiques will still hold. Others will look less decisive.
All of them will be better understood.




