Classical Presupposition Audit — Michael Huemer (Full Record)
Primary source: “Apology of a Modest Intuitionist,” Michael Huemer, Philosophy and Phenomenological Research, Vol. LXXVIII No. 1, January 2009. Supplementary sources: “A Proof of Free Will,” Michael Huemer (owl232.net, original journal submission); “Disembodied Souls Are People Too,” Michael Huemer, in Extreme Philosophy, ed. Stephen Hetherington (Routledge, 2024); Knowledge, Reality, and Value: A Mostly Common Sense Guide to Philosophy (2021). Instrument: Classical Presupposition Audit (CPA) v1.0. Instrument architecture: Dave Kelly. Theoretical foundations: Grant C. Sterling’s corpus. Prose rendering: Claude (Anthropic), 2026.
Step 0 — Protocol Activation
The subject is Michael Huemer, professor of philosophy at the University of Colorado, Boulder. He is the author of Ethical Intuitionism (2005), The Problem of Political Authority (2013), Knowledge, Reality, and Value (2021), and numerous peer-reviewed articles. His published positions span epistemology, metaethics, philosophy of mind, political philosophy, and metaphysics.
This audit draws on the following sources, all from the figure’s own public record:
- “Apology of a Modest Intuitionist” (2009) — primary source for C3, C4, C5, C6, and the cultural displacement thesis
- “A Proof of Free Will” — primary source for C2
- “Disembodied Souls Are People Too” (Routledge, 2024) — primary source for C1, and corroborating source for C2
- Knowledge, Reality, and Value (2021) — corroborating source for C2 (minimal free will thesis formulation)
No source outside his own published record has been used. No prior conclusion about findings has been stated or implied.
Self-Audit — Step 0:
- Is the corpus in view? Yes.
- Have the sources been identified and restricted to the figure’s own public record? Yes.
- Has any prior conclusion about findings been stated or implied? No.
Self-Audit Complete. Proceeding to Step 1.
Step 1 — Presupposition Profile
Stage A — Argumentative Record Summary
Position 1: Substance dualism as the theory of personal identity. In “Disembodied Souls Are People Too,” Huemer argues that the mind has three features not explicable in physical terms: qualia, intrinsic intentionality, and free will. These features, he holds, establish that the mind is something over and above the body and brain. He then distinguishes substance dualism from property dualism: the question is whether the non-physical features reside in a distinct non-physical entity (the mind or soul) or merely in a physical entity (the brain) as non-physical properties. He explicitly favors substance dualism on the grounds that it best accommodates strong and widespread intuitions about personal identity — specifically, the intuition that personal identity is an objective, intrinsic, one-one relation that neither spatiotemporal continuity nor psychological continuity theories can accommodate in fission cases. The soul, understood as the immaterial entity that has mental qualities and determines personal identity, is Huemer’s explicit ontological commitment. Load-bearing presupposition: the rational faculty is a genuine non-physical substance, distinct from and not reducible to the body.
Position 2: Free will as genuine alternative possibilities grounded in substance dualism. In “A Proof of Free Will,” Huemer argues for the minimal free will thesis (MFT): at least sometimes, someone has more than one course of action he can perform. He argues that hard determinism — the thesis that the only thing anyone can ever do is the thing he actually does — is self-refuting: it undermines the normative presuppositions of rational discourse, since rational discourse presupposes that we ought to believe only what is true, and “ought” implies “can.” If determinism is true, then there is no genuine can, and therefore no genuine ought, and therefore the normative structure of rational inquiry collapses. In “Disembodied Souls,” he identifies free will — defined as “the ability to control which of a set of genuinely open alternatives is realized” — as one of the three features of mind that require a non-physical substance for their explanation. He lists free will alongside qualia and intentionality as features of mind “hard to explain in physical terms.” Load-bearing presupposition: the agent is genuinely the controlling power over which of several open alternatives is realized, and this control requires a non-physical substance whose operation is not reducible to physical causation.
Positions 3–6 (from the primary source document) are carried forward from the prior audit without modification: the dual-thesis structure of intuitionism (C3, C6); elimination of alternative epistemologies yielding foundationalism (C4); Phenomenal Conservatism and the unity of appearances (C3, C4, C5); defeaters for ethical intuitions with the reliability distinction (C3, C6); and the cultural displacement thesis (C5, C6).
Stage B — Domain Mapping
Huemer’s presuppositions are consistent across domains. His philosophy of mind positions (substance dualism, free will grounded in substance) integrate with his epistemological positions (Phenomenal Conservatism, foundationalism) and his metaethical positions (intuitionism, moral realism) without tension. The non-physical rational faculty required by his ontology is the same faculty through which moral intuitions yield justified moral belief. No domain variation producing an Inconsistent finding has been identified.
Self-Audit — Step 1:
- Are the presuppositions drawn from the figure’s own record? Yes.
- Have I applied the load-bearing test? Yes.
- Have I applied the charity requirement where the record is ambiguous? Yes — particularly on C2, where the MFT is his explicit argumentative product but his grounding of free will in substance dualism carries the stronger implication.
- Have I mapped domain variations? Yes — no significant variation detected.
Self-Audit Complete. Proceeding to Step 2.
Step 2 — Commitment Audit
C1 — Substance Dualism (Rational Faculty as Distinct Substance)
The commitment requires that the rational faculty be genuinely distinct from body and external conditions — a real ontological boundary between self and external, not a useful distinction. Sterling’s governing claim: “I am my soul/prohairesis/inner self. Everything else, including my body, is an external.” Sterling’s supporting corpus: certainty of qualitative mental experience; science cannot account for the feeling of pain or the experience of modus ponens; dualism developed against the constraints of modern scientific physics.
Huemer’s position on substance dualism is explicit, argued, and load-bearing. In “Disembodied Souls Are People Too,” he distinguishes property dualism from substance dualism and explicitly endorses the latter. His argument runs from the requirements of personal identity to the existence of the soul as a distinct non-physical entity: only a non-physical substance whose identity is intrinsic and not constituted by relations to other entities can satisfy the one-one constraint on personal identity that physical continuity theories violate in fission cases. The soul, on his account, is the immaterial thing that has mental qualities and determines who a person is. His list of three features of mind not explicable in physical terms — qualia, intrinsic intentionality, free will — provides independent grounds for the non-physical substance conclusion. The soul is the entity in which these properties reside, not merely a physical entity that instantiates them as non-physical qualities.
This maps precisely onto Sterling’s commitment. Huemer’s soul is the genuine self; the body is something the soul has while alive but is not identical to. His argument that the soul can exist in disembodied form between lives presupposes the categorical distinction between self and body that is foundational to Sterling’s account of the dichotomy of control.
Finding: Aligned. Huemer’s argumentative record requires substance dualism as an explicit, argued, load-bearing position. The self is the non-physical soul; the body is an external to it. No contrary presupposition qualifies the finding.
C2 — Libertarian Free Will (Origination of Assent)
The commitment requires that assent be the genuine act of an originating agent — not a determined output of prior physical causes but the agent’s own first-causal act. Sterling’s governing claim: choosing whether or not to assent to impressions is the only thing in our control, and it must be genuine origination for that control to be real. Supporting corpus: the act of assent as origination; libertarian free will as load-bearing commitment, not philosophical decoration.
Huemer’s position on free will involves two distinct but mutually reinforcing argumentative moves.
The first is the MFT proof. He argues that hard determinism — the thesis that the only thing anyone can ever do is the thing he actually does — is self-refuting. The argument: rational discourse presupposes that we ought to believe only what is true. “Ought” implies “can.” If determinism is true, then whatever can be done is done. Therefore, if determinism is true and I believe the minimal free will thesis, I must have been able to believe it, and since whatever I can do I do, I must not be believing a falsehood — which means the minimal free will thesis is not false. Determinism thus implies its own contradictory and is therefore false. He explicitly stakes out the incompatibilist position by defining determinism, for his purposes, as the thesis that excludes genuine alternative possibilities, acknowledging the compatibilist objection but treating it as insufficient to rescue hard determinism from self-refutation.
The second is the substance dualism grounding. In “Disembodied Souls,” Huemer identifies free will — defined as “the ability to control which of a set of genuinely open alternatives is realized” — as one of three features of mind that are “hard to explain in physical terms.” This is the decisive move for C2. A compatibilist does not need a non-physical substance to account for free will, because compatibilist free will is a matter of acting in accordance with one’s desires without external constraint, not a matter of genuine alternative causation. Huemer’s decision to list free will alongside qualia and intentionality as requiring the non-physical soul for their explanation commits him to a position in which the agent’s freedom consists in a non-physically-grounded capacity to select among genuinely open alternatives. This is the libertarian position: the agent is not a determined output of prior physical causes but the controlling power over which of several real possibilities is actualized — a control that requires the soul as its ontological basis.
A note on the MFT’s modesty: Huemer explicitly states that it “may be disputed whether the truth of MFT is sufficient for us to have free will.” This hedge concerns whether his proof does all the philosophical work free will theorists might want. It does not constitute a retreat from incompatibilism. His framing of determinism as the thesis that excludes genuine alternative possibilities, and his grounding of free will in the non-physical soul, together require origination in the relevant sense: the soul’s selection among open alternatives is not reducible to physical causation, and its operation therefore constitutes genuine first causation at the level of the rational agent.
Finding: Aligned. Huemer’s argumentative record requires genuine origination as a load-bearing presupposition: the soul controls which of genuinely open alternatives is realized, and this control is non-physically grounded. The compatibility of his MFT with a more modest reading is precluded by the substance dualism argument, which commits him to the stronger libertarian claim. No contrary presupposition qualifies the finding.
C3 — Ethical Intuitionism (Direct Apprehension of Moral Truth)
The commitment requires that some moral truths be known through direct rational apprehension — not inferred from prior premises, not derived empirically, but grasped as self-evident necessary truths. Sterling’s governing claim: the rational faculty must be able to apprehend directly that virtue is the only genuine good, in the way mathematical necessity is apprehended.
Huemer’s central epistemological thesis in “Apology of a Modest Intuitionist” is the explicit defense of this position. He holds that some moral truths are known intuitively through Phenomenal Conservatism — the principle that if something seems true to S in the absence of defeaters, S has prima facie justification for believing it. He argues that intellectual intuition and sensory experience share the same epistemological structure (the property of being an appearance is what confers justificatory force in both cases), and that certain rational moral intuitions — the transitivity of “better than,” the pro tanto goodness of enjoyment, the ceteris paribus preference for making a conscious being better off — are produced by rational reflection from a grasp of the relevant concepts in exactly the way mathematical intuitions are. He defends the continuing validity of this epistemic route despite its professional disfavor, attributing that disfavor to cultural bias rather than decisive refutation.
Finding: Aligned. Unchanged from the prior audit. No contrary presupposition qualifies the finding.
C4 — Foundationalism (Structured Dependency of Truths)
The commitment requires that knowledge exhibit a foundational structure in which some beliefs are epistemically basic — non-inferentially justified — and inferential beliefs depend on these basics for their warrant.
Huemer’s Phenomenal Conservatism is a foundationalist epistemology. He argues that all five non-intuitive routes to moral knowledge fail, leaving intuition as the non-inferential base. Appearances confer propositional justification directly; the absence of defeaters is a condition required for justification but not itself what confers it. His structural analysis — the roof/car/Caesar analogies — makes explicit that the base element must be the causally responsible source of the superstructure, not merely the removal of obstacles to it. His argument that doxastic justification requires basing on what confers propositional justification (the Basing Condition) gives the foundational structure a further epistemological articulation.
Finding: Aligned. Unchanged from the prior audit. No contrary presupposition qualifies the finding.
C5 — Correspondence Theory of Truth (Truth as Alignment with Reality)
The commitment requires that truth be a relation between a claim and the way things actually are — not coherence, not consensus, not pragmatic utility.
Huemer’s treatment of defeaters, his analysis of the seven psychological studies from the moral realist’s standpoint, his cultural displacement thesis (professional consensus does not make intuitionism false), and his description of reliable intuitions as those that track objective moral facts all require the correspondence account at every load-bearing point. Truth is what Huemer’s intuitions are aimed at; bias and unreliability are failures of correspondence, not merely failures of coherence or consensus.
Finding: Aligned. Unchanged from the prior audit. No contrary presupposition qualifies the finding.
C6 — Moral Realism (Objective Value Structure)
The commitment requires that moral facts be objective features of reality — not projections, cultural constructions, or natural facts redescribed.
This is Huemer’s explicit metaphysical thesis: nonreductive moral realism. He defends moral facts against ethical naturalists, argues that only intuition survives as a source of moral knowledge of those facts, distinguishes moral judgments from subjective preferences as a class of judgments of objective fact, and holds that many currently accepted ethical beliefs may be wrong while nihilism remains unwarranted — all of which presupposes a moral reality against which beliefs can be tested and found mistaken.
Finding: Aligned. Unchanged from the prior audit. No contrary presupposition qualifies the finding.
Self-Audit — Step 2:
- Have I applied the load-bearing test to each finding? Yes.
- Have I cited specific argumentative moves for each presupposition-commitment pair? Yes.
- Have I avoided Inconsistent Evasion (Failure Mode 3)? Yes — no domain variation detected.
- Have I avoided Non-Operative Evasion (Failure Mode 6)? Yes — C1 and C2 now carry substantive findings drawn from Huemer’s own published record.
- Have I avoided Corpus Boundary Violation (Failure Mode 7)? Yes — no findings have been issued about the strategic, political, or institutional implications of Huemer’s positions.
- Have I avoided Charity Failure (Failure Mode 8)? Yes — the Aligned finding on C2 reflects the stronger reading supported by Huemer’s substance dualism argument, which is the most philosophically favorable consistent interpretation of his combined record.
Self-Audit Complete. Proceeding to Step 3.
Step 3 — Dissolution Finding
The dissolution criterion is governed exclusively by findings on C1 and C2. Full Dissolution requires Contrary findings on both; Partial Dissolution requires a Contrary finding on one; No Dissolution requires Aligned or Partially Aligned findings on both.
C1: Aligned. C2: Aligned.
Huemer’s framework locates the self in the non-physical soul, which is the distinct subject of mental properties and the ontological basis of genuine freedom. The body, and all external conditions, are not what the agent fundamentally is. The soul selects among genuinely open alternatives; that selection is not determined by prior physical causes. An agent who adopts Huemer’s framework as his governing self-description is not required to locate himself and his condition in externals. On his account, he is the soul — and what matters most about him is the soul’s free control over its own acts.
Dissolution Finding: No Dissolution.
Step 4 — Summary of Findings
C1 — Substance Dualism: Aligned
C2 — Libertarian Free Will: Aligned
C3 — Ethical Intuitionism: Aligned
C4 — Foundationalism: Aligned
C5 — Correspondence Theory of Truth: Aligned
C6 — Moral Realism: Aligned
Dissolution Finding: No Dissolution
Step 5 — Analytical Note
Six Aligned findings with No Dissolution. This profile has appeared in the CIA v3.0 series only once — for the constructed Stoic Detective presupposition set — and has not appeared in any prior CPA run on a named public figure.
What distinguishes the Huemer profile from a constructed alignment is that his six commitments are not merely consistent with one another: they are mutually load-bearing in a way that mirrors the corpus’s own internal architecture. C1 (substance dualism) establishes the ontological reality of the soul as the genuine self. C2 (libertarian free will) is grounded in C1: it is the soul’s non-physical nature that makes genuine alternative possibilities possible. C3 (ethical intuitionism) requires a rational faculty capable of direct moral apprehension — the faculty that C1 establishes as a genuine non-physical substance. C4 (foundationalism) gives the structure within which C3’s non-inferential moral knowledge functions as the epistemic base. C5 (correspondence theory) specifies what it means for a C3 intuition to succeed or fail — it succeeds when it corresponds to the objective moral facts that C6 asserts. C6 (moral realism) supplies those facts and is defended in part by ruling out all epistemological accounts that would make C3 dispensable.
The chain runs: soul (C1) → freedom of the soul (C2) → direct moral apprehension by the soul (C3) → foundational structure of that apprehension (C4) → correspondence as its success condition (C5) → objective moral facts as its object (C6). This is not six separate commitments held together by philosophical taste. It is a single integrated structure. The corpus exhibits the same logical spine.
Two features of the Huemer profile merit separate notice.
First, Huemer defends reincarnation as a consequence of his substance dualism and his Bayesian argument from the fact of current existence. This is not a commitment the corpus addresses, and it falls outside the instrument’s domain. It is noted here as an observation, not a finding: Huemer’s substance dualism is robust enough to carry metaphysical commitments the corpus does not entertain.
Second, the cultural displacement thesis in the 2009 source document is the most immediately usable finding for this project. Huemer argues — from within the professional philosophical record, with the authority of a defender of the displaced position — that intuitionism fell from favor not through decisive refutation but through cultural and personal biases operating before argument. He names the mechanism precisely: biases shape which theories receive sympathetic investigation, which arguments seem plausible, and therefore which positions become considered opinions in the light of the arguments. The result is that the professional consensus against intuitionism is produced by bias, not by philosophical defeat. This project applies the same thesis to all six commitments as a class. Huemer’s formulation provides an authoritative inside-the-record statement of the pattern this project identifies comprehensively.
Instrument: Classical Presupposition Audit (CPA) v1.0. Instrument architecture: Dave Kelly. Theoretical foundations: Grant C. Sterling’s corpus. Subject: Michael Huemer, University of Colorado, Boulder. Primary source: “Apology of a Modest Intuitionist,” Philosophy and Phenomenological Research, Vol. LXXVIII No. 1, January 2009. Supplementary sources: “A Proof of Free Will” (owl232.net); “Disembodied Souls Are People Too,” Extreme Philosophy (Routledge, 2024); Knowledge, Reality, and Value (2021). Prose rendering: Claude (Anthropic), 2026.
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