Classical Presupposition Audit: Alasdair MacIntyre
Source: Published works including After Virtue (1981; 3rd ed. 2007), Whose Justice? Which Rationality? (1988), Three Rival Versions of Moral Enquiry (1990), Dependent Rational Animals (1999), and Ethics in the Conflicts of Modernity (2016).
Corpus in use: CPA v1.0. The audit operates from MacIntyre’s own published argumentative record. The governing record for this run is the mature MacIntyre of After Virtue onward — the developed Aristotelian-Thomistic position centered on practices, traditions, dependence, practical reason, narrative, and the critique of modern moral discourse. MacIntyre’s long-standing academic profile and the mature corpus named above make this post-After Virtue record the correct subject of audit.
Preliminary Note: The Mature MacIntyre Position
MacIntyre is one of the richest CPA subjects in the series because his mature position is both highly systematic and directly opposed to key modern assumptions. He argues that modern moral discourse is disordered, that practical rationality is tradition-constituted, that the virtues are intelligible only within practices, lives, and traditions, and that an adequate ethics must begin not from autonomous chooser-agents abstracted from dependence, but from vulnerable, embodied, dependent rational animals. His mature project is explicitly anti-emotivist, anti-liberal-individualist, and anti-managerial. Yet it is not classically aligned in the Sterling sense. It preserves objective goods, serious rational agency, and moral truth, but it rejects the self-sufficiency of the isolated rational faculty, denies that rationality stands outside tradition, and makes practical reason answerable to forms of life, communal practices, and histories of enquiry.
The governing move of mature MacIntyre’s project is this: moral and practical reasoning are not exercises of a free-standing rational faculty grasping self-evident truths independently of history and community. They are the activities of tradition-bearing, practice-formed, dependent rational animals whose flourishing is intelligible only within forms of social life and whose rationality is always the rationality of some tradition. That move preserves more of the classical structure than Singer does, but it also prevents full alignment with the six commitments -- ChatGPT.
Step 0 — Protocol Activation
The corpus is in view, the sources are restricted to MacIntyre’s own mature published record and official academic profile, and no conclusion has been assumed in advance. The audit proceeds from his own arguments about practices, traditions, dependence, practical reason, desire, and the virtues. Self-Audit Complete: result satisfactory. Proceed to Step 1.
Step 1 — Presupposition Profile
Preliminary Note: The Mature MacIntyre Diagnosis
Mature MacIntyre argues that modern moral discourse is fragmented because it has lost the teleological framework in which virtue-language originally made sense. In After Virtue, the virtues are located in practices, in the narrative unity of a life, and in traditions. In Whose Justice? Which Rationality?, rationality itself is said to be tradition-constituted. In Three Rival Versions of Moral Enquiry, the tradition of enquiry becomes central as the bearer of standards of rational justification. In Dependent Rational Animals, vulnerability and dependence are treated as fundamental facts about human life. In Ethics in the Conflicts of Modernity, he continues defending a Neo-Aristotelian and Thomistic view of desire, practical reasoning, and human goods against modern alternatives.
P1 — The virtues are intelligible only within practices, the narrative unity of a whole life, and traditions.
In the excerpt from After Virtue, MacIntyre argues that the virtues sustain not only the relationships necessary for internal goods within practices, but also the form of an individual life and the traditions that provide practices and lives with their historical context. This is not peripheral. It is the load-bearing structure of his virtue theory. Virtue is never self-sufficiently grounded in isolated inward judgment; it is always embedded in social practices and historically extended traditions.
P2 — There is no rationality that is not the rationality of some tradition.
The University of Notre Dame Press description of Whose Justice? Which Rationality? states the book’s central thesis plainly: there is no rationality that is not the rationality of some tradition. This is one of MacIntyre’s most important mature commitments. It means that standards of justification are always historically and socially located rather than accessible from a tradition-transcending standpoint.
P3 — Human beings are dependent rational animals whose vulnerability and need are morally basic.
Dependent Rational Animals is organized around the thesis that the virtues we need are those required to develop from our initial animal condition into independent practical reasoners, and that dependence and vulnerability are not marginal accidents but central features of the human condition. This is a direct challenge to theories that begin with independent, self-sufficient rational choosers.
P4 — Moral enquiry is tradition-governed and rival traditions of enquiry must be compared from within the history of enquiry rather than from a neutral, universal, ahistorical standpoint.
Three Rival Versions of Moral Enquiry compares encyclopaedia, genealogy, and tradition as rival forms of moral enquiry. Its very structure presupposes that moral reasoning takes place within historically extended traditions with their own standards, authorities, and modes of development. The mature MacIntyre does not offer a neutral method standing above all traditions; he offers a partisan account of rational enquiry from within the Thomistic-Aristotelian tradition.
P5 — Human goods are objective and practical reasoning aims at those goods, but desire, self-knowledge, and narrative are integral to how those goods are understood.
The Cambridge description of Ethics in the Conflicts of Modernity says MacIntyre argues that understanding human goods requires rejecting central modern claims and that the book treats desire, practical reasoning, self-knowledge, and narrative as central to ethics. This indicates that his account of moral life is not procedural only. It is realist and teleological: there are human goods to be understood. But access to them is mediated through practical reasoning, self-knowledge, desire-formation, and narrative rather than through isolated immediate intuition.
P6 — Modern liberal individualism and modern bureaucratic-managerial culture are philosophically defective because they sever agency from teleology, tradition, and common goods.
This is the organizing critique of After Virtue and the later works. The virtues cannot survive where social life is organized around fragmented preference, emotivism, managerial effectiveness, and the disappearance of shared goods. MacIntyre’s remedy is not inward withdrawal into the isolated will, but the recovery of forms of life ordered toward common goods and rational practices.
P7 — Practical reason is real and morally authoritative, but the self is not prior to its dependencies, practices, and communal forms of life in the Sterling sense.
This presupposition is recoverable from the whole mature corpus. MacIntyre plainly preserves practical reason and treats deliberation, virtue, and character as serious realities. But the agent who deliberates is always already a participant in practices, a bearer of traditions, a dependent animal, and a member of networks of giving and receiving. The self is not presented as ontologically prior to those conditions. It is formed through them.
Step 1 — Domain Mapping
MacIntyre’s mature record is highly consistent across domains. The same structure recurs in virtue theory, political critique, moral epistemology, and anthropology: practices, traditions, teleology, dependence, and anti-liberal individualism. The principal variation is one of emphasis, not contradiction. In After Virtue and Whose Justice? Which Rationality?, the stress falls on practices, narrative, and tradition-constituted rationality. In Dependent Rational Animals, the stress falls on vulnerability and dependence. In Ethics in the Conflicts of Modernity, the stress falls on desire, practical reasoning, and narrative. These emphases complement each other. They do not produce a domain-level inconsistency. Self-Audit Complete: presuppositions are drawn from MacIntyre’s own mature record, are load-bearing, and domain variation has been mapped without forcing contradiction. Proceed to Step 2.
Step 2 — Commitment Audit
Commitment 1 — Substance Dualism: Contrary
Substance dualism requires that the rational faculty be categorically distinct from and prior to bodily, social, institutional, and historical conditions. Mature MacIntyre’s anthropology directly contradicts this. In Dependent Rational Animals, human beings are presented as vulnerable and dependent animals whose practical reason develops from an initial animal condition and whose flourishing requires networks of dependence. In After Virtue, the virtues are intelligible only within practices, lives, and traditions. In Whose Justice? Which Rationality?, rationality is always the rationality of some tradition. The rational agent is therefore not a categorically distinct inner substance standing prior to worldly conditions. He is an embodied, socially formed, tradition-located participant in common practices.
Finding: Contrary. MacIntyre’s mature record requires a conception of the self as embodied, dependent, socially and historically constituted. That directly opposes the categorical priority substance dualism requires.
Commitment 2 — Libertarian Free Will: Partially Aligned
MacIntyre preserves real agency in an important sense. His entire virtue theory depends on deliberation, character, practical reasoning, and the possibility of becoming more or less virtuous through habituation and rational reflection. His critique of modernity also presupposes that agents can judge traditions, recognize goods, and direct themselves by reasons. This gives his framework genuine affinity with libertarian free will at the level of lived moral responsibility.
The residual divergence is substantial. MacIntyre does not ground agency in an undetermined originating power of assent standing outside causal, developmental, social, and historical formation. On the contrary, he persistently embeds the agent within practices, dependencies, narratives, and traditions that shape deliberation and rationality itself. Since there is no rationality independent of tradition, the agent’s judgments are not explained as first causes in the Sterling sense. Yet they are not dissolved into simple determinism either.
Finding: Partially Aligned. MacIntyre preserves serious moral agency and responsibility, but not the strong metaphysical origination that libertarian free will, as defined by the CPA, requires.
Commitment 3 — Ethical Intuitionism: Contrary
Ethical intuitionism requires that rational agents can directly apprehend moral truth non-empirically and non-inferentially, prior to history, consequences, tradition, or communal forms of enquiry. MacIntyre’s mature framework rejects that structure. Moral knowledge is always achieved within traditions of enquiry, through practices of reasoning, through dialectical comparison of rival traditions, and through historically extended argument. The very point of Whose Justice? Which Rationality? and Three Rival Versions of Moral Enquiry is that there is no tradition-independent rational standpoint from which moral truth is simply intuited.
Finding: Contrary. MacIntyre’s mature record systematically denies the self-sufficiency of direct, ahistorical rational apprehension as the source of moral knowledge.
Commitment 4 — Foundationalism: Contrary
Finding: Contrary. MacIntyre rejects the kind of extra-traditional, self-evident, architecturally final first principles required by the classical commitment.
Commitment 5 — Correspondence Theory of Truth: Partially Aligned
MacIntyre is not a relativist or a perspectival constructivist in the postmodern sense. His work presupposes that rival traditions can be rationally evaluated, that some accounts of goods and virtues are better than others, and that modern moral discourse is not just different but defective. That only makes sense if there is a fact of the matter about human goods and practical rationality. His Thomistic-Aristotelian commitments in the mature corpus also point toward truth as more than consensus or utility.
The residual divergence is that truth is not presented in the classical Sterling form as directly graspable by an isolated rational faculty whose judgments either correspond or fail to correspond independently of tradition. Rather, standards of rational justification are themselves tradition-governed. This makes his account of truth realist, but mediated through communal and historical forms of enquiry rather than immediately correspondence-theoretic in the CPA’s strict sense.
Finding: Partially Aligned. MacIntyre preserves objective truth against relativism, but does so through tradition-constituted enquiry rather than through the classical direct correspondence structure.
Commitment 6 — Moral Realism: Aligned
This is the strongest point of alignment in MacIntyre’s mature position. He plainly holds that there are objective human goods, that virtues are real excellences ordered to those goods, that some desires are disordered, and that modernity’s moral fragmentation is a substantive philosophical failure rather than merely a change in vocabulary. Ethics in the Conflicts of Modernity continues this by arguing that a proper understanding of human goods requires rejecting central modern claims. The mature MacIntyre is not merely procedural or constructivist about value. He is a realist about goods and about the virtues ordered to them.
Finding: Aligned. MacIntyre’s mature record requires objective moral goods and objective standards of better and worse practical reasoning. His divergence lies in how those goods are known and situated, not in whether they are real.
Step 2 — Self-Audit
All major presuppositions have been audited. Non-Operative has not been used to evade Contrary findings. The pattern follows the structure of MacIntyre’s own mature corpus: objective goods are retained, but rationality and justification are tradition- and practice-constituted rather than self-sufficiently grounded in the isolated rational faculty. Self-Audit Complete: result satisfactory. Proceed to Step 3.
Step 3 — Dissolution Finding
Commitment 1 is Contrary. Commitment 2 is Partially Aligned.
Finding: Partial Dissolution.
The Contrary finding on C1 is produced by MacIntyre’s explicit anthropology of dependent rational animals and his insistence that the virtues and practical reason are intelligible only within practices and traditions. The Partially Aligned finding on C2 is produced by his preservation of real deliberation, practical reasoning, and moral responsibility. MacIntyre does not dissolve agency into sentience, welfare, bureaucracy, or simple structural determinism. But he does deny that the rational faculty is ontologically prior to the bodily, social, and historical conditions through which it is formed.
An agent who adopts MacIntyre’s mature framework therefore retains a robust self-description as a practical reasoner and moral agent, but not as a self-governing rational faculty standing categorically apart from external conditions. He understands himself as constituted through practices, dependence, education, and tradition-bearing social life. That is a genuine Partial Dissolution finding in the CPA sense. It is a finding about what the framework requires of its adopters, not about MacIntyre’s own inner life.
Self-Audit Complete: the dissolution finding follows mechanically from C1 Contrary and C2 Partially Aligned, and it has been stated as a framework implication rather than a personal verdict. Proceed to Step 4.
Step 4 — Summary Finding
Part A — Commitment Pattern
| Commitment | Finding |
|---|---|
| Substance Dualism | Contrary |
| Libertarian Free Will | Partially Aligned |
| Ethical Intuitionism | Contrary |
| Foundationalism | Contrary |
| Correspondence Theory of Truth | Partially Aligned |
| Moral Realism | Aligned |
Overall pattern: 1 Aligned, 2 Partially Aligned, 3 Contrary, 0 Inconsistent, 0 Non-Operative.
The deepest point of divergence is Commitment 1: MacIntyre’s rejection of the isolated, categorically prior rational self in favor of the dependent rational animal formed in practices and traditions. The strongest point of alignment is Commitment 6: objective goods, virtues, and standards of practical reason are fully real in his mature framework.
Part B — Dissolution Finding
Partial Dissolution. MacIntyre preserves real practical reason and agency, but embeds both in dependence, embodiment, practices, and tradition-constituted rationality. The prohairesis is not abolished, but it is no longer the self-sufficient, categorically prior center required by the classical standard.
Part C — Agent-Level Implication
An agent who adopts mature MacIntyre’s framework as his governing self-description does not adopt Singer’s dissolution into sentience or utility, and does not adopt modern liberal fragmentation either. He adopts a life centered on practices, common goods, virtues, tradition, and the narrative unity of a whole life. He retains himself as a practical reasoner. But he also accepts that his rationality is not self-standing, that his moral education and self-understanding are inseparable from dependence and social forms, and that access to truth is mediated by tradition rather than by direct self-sufficient rational apprehension. He is therefore committed to a morally serious but non-classical account of himself: not as a sovereign rational faculty whose good is wholly internal, but as a dependent rational animal whose flourishing is intelligible only within tradition-bearing forms of communal life.
The MacIntyre Diagnosis
MacIntyre is best understood as a philosopher of objective goods without classical self-sufficiency. He is far closer to the classical commitments than Singer, because he preserves moral realism and serious practical reason. He is also unlike Rawls and Nussbaum in that his critique of liberal modernity is much deeper and more metaphysical. Yet he still departs decisively from the Sterling standard because he makes rationality tradition-constituted, makes virtue unintelligible apart from practices and traditions, and treats the human agent as fundamentally dependent and embodied rather than as a categorically distinct self-governing rational faculty. That is why the correct CPA pattern is not Full Dissolution and not No Dissolution, but Partial Dissolution.
Corpus Boundary Declaration
This audit does not say whether MacIntyre’s politics are correct, whether Thomistic Aristotelianism is true, whether tradition-constituted enquiry is superior as a public philosophy, or whether his critique of modernity should be adopted institutionally. It says only that his mature argumentative record requires a specific philosophical structure: objective goods, serious practical reason, dependence, practices, traditions, and anti-foundational moral enquiry. The CPA finding concerns those presuppositions and what they imply for an agent who adopts them as a governing account of himself. Self-Audit Complete. CPA run complete.
Classical Presupposition Audit (CPA) v1.0. Instrument architecture: Dave Kelly. Theoretical foundations: the Stoic philosophical corpus of Grant C. Sterling. Analysis and text: Dave Kelly, 2026.
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