Sterling and the Contemporary Proponents — Argument Correspondence Map C2 — Libertarian Free Will: Sterling and O’Connor
Sterling and the Contemporary Proponents — Argument Correspondence Map
C2 — Libertarian Free Will: Sterling and O’Connor
Analysis: Dave Kelly, 2026. Theoretical framework: Grant C. Sterling. Prose rendering: Claude.
I. The Sterling Argument
The governing corpus passages are Free Will and Causation (Sterling, ISF), the C2 analytical essay (Kelly, 2026 from Sterling’s theoretical foundations), and One Act of Correct Engagement (Kelly, 2026).
Sterling’s argument for libertarian free will proceeds from what the Stoic framework requires rather than from a purely metaphysical starting point. The structure is a transcendental argument: given that the Stoic system makes the claims it makes, libertarian free will must be true for those claims to be coherent.
Premise One: Assent is the only thing in our control. This is the foundational Stoic claim. It must mean that assent genuinely originates in the agent — not merely that it passes through the agent, not merely that it flows from internal states without external constraint, but that the agent is its true cause.
Premise Two: The framework holds that agents are responsible for false value judgments. Responsibility requires that the agent could have done otherwise. If assent were causally inevitable, false judgment would not be an error attributable to the agent but an unavoidable outcome. Praise and blame would be misplaced projections rather than accurate evaluations.
Premise Three: The Pause is a real decision point. At the moment between impression and assent, multiple alternatives are genuinely open. The outcome has not been fixed by prior causes. Both assent and withholding remain available until the will moves. This is not epistemic uncertainty about which determined outcome will occur; it is metaphysical openness.
Premise Four: Compatibilism does not capture what the framework requires. Compatibilism redefines freedom as action flowing from internal states without external constraint. But this preserves neither genuine origination nor real alternatives. It replaces authorship with internal causation in a weak sense. Under compatibilism, the agent is a locus of events, not their originator. The dichotomy of control under compatibilism becomes a distinction between types of causes, not a distinction between what is truly up to us and what is not.
Conclusion: Libertarian free will — the claim that the agent is the genuine first cause of his assents, that alternative possibilities are metaphysically real at the point of choice, and that the act is not determined by prior causes — is not optional in Sterling’s framework. It is what makes assent a genuine act, control a real property, responsibility a justified attribution, and eudaimonia a reachable state.
Sterling’s argument compressed:
- Assent is in our control means assent genuinely originates in the agent.
- Responsibility for false judgment requires that the agent could have done otherwise.
- The Pause is a real decision point with metaphysically open alternatives.
- Compatibilism reduces authorship to internal causation in a weak sense and cannot ground the dichotomy of control.
- Therefore genuine origination — libertarian free will — is required.
- The agent is a true first cause of his assents, not a sophisticated conduit for prior causes.
II. The O’Connor Argument
The governing text is Timothy O’Connor, Persons and Causes: The Metaphysics of Free Will (Oxford University Press, 2000).
O’Connor defends agent causation as the correct account of free action. His argument proceeds by establishing what genuine freedom requires, showing that event-causal accounts cannot deliver it, and then arguing that agent causation is metaphysically coherent.
Premise One: Genuine freedom requires that the agent be the originating cause of his action — not that his action be caused by his desires or beliefs as prior events, but that the agent as such is the cause. This is the distinction between event causation (prior events cause the action) and agent causation (the agent causes the action directly).
Premise Two: Event-causal accounts of free will, including compatibilist accounts, cannot ground genuine origination. If the action is caused by prior events — including events internal to the agent such as desires and beliefs — then the agent is not the originating cause; the prior events are. The agent is the location of a causal process, not its source.
Premise Three: Agent causation is metaphysically coherent. Persons are substances with irreducible causal powers that are not exhausted by the sum of their physical states. These causal powers are exercised directly by the agent, not mediated through prior events. The agent causes the action not by being the last event in a causal chain but by being the kind of substance that originates actions.
Premise Four: Agent causation makes genuine alternative possibilities real. Because the agent is the originating cause and not a conduit for prior causes, at any decision point more than one outcome is genuinely open. The prior state of the universe does not fix a single outcome. The agent determines which possibility becomes actual.
Conclusion: Persons are irreducible agents who genuinely originate their actions. Free will is not a compatibilist redescription of determined processes. It is the real causal power of a substance to produce actions that are not outputs of prior event-causal chains.
O’Connor’s argument compressed:
- Genuine freedom requires the agent as originating cause, not prior events as originating cause.
- Event-causal accounts including compatibilism locate causation in prior events, not in the agent as such.
- Agent causation is metaphysically coherent: persons have irreducible causal powers exercised directly.
- Agent causation makes alternative possibilities genuinely real at the decision point.
- Therefore persons are irreducible agents who genuinely originate their actions.
- Free will is real causal power, not compatibilist redescription.
III. Correspondence Finding
Point of structural identity — origination as the decisive criterion: Both Sterling and O’Connor identify the same criterion as what genuine freedom requires: the agent must be the originating cause, not a conduit for prior causes. Sterling states this as the difference between assent that originates in the agent and assent that merely passes through the agent. O’Connor states this as the distinction between agent causation (the agent as such causes the action) and event causation (prior events cause the action). The argumentative move is identical: compatibilism fails because it preserves the location of the action in the agent while shifting the origination to prior events or states.
Point of structural identity — the refutation of compatibilism: Both Sterling and O’Connor make the same precise objection to compatibilism. Compatibilism redefines freedom as action flowing from internal states without external constraint. Sterling’s objection: this replaces authorship with internal causation in a weak sense — the agent becomes a locus of events, not their originator. O’Connor’s objection: event-causal accounts locate causation in prior events, not in the agent as such, leaving the agent as the location of a causal process rather than its source. The structure of the objection is the same: compatibilism identifies the wrong level at which origination must occur.
Point of structural identity — genuine alternative possibilities: Both Sterling and O’Connor hold that at the decision point, more than one outcome is metaphysically real. Sterling’s Pause is precisely this: a moment at which both assent and withholding remain genuinely available, not merely epistemically uncertain. O’Connor’s agent causation makes alternative possibilities real by grounding them in the agent’s irreducible causal powers rather than in prior event-causal chains. Both explicitly distinguish this from mere epistemic uncertainty about which determined outcome will occur.
Point of divergence — the metaphysical framework: Sterling’s argument is transcendental in structure — libertarian free will is required by what the Stoic framework claims. O’Connor’s argument is directly metaphysical — he defends agent causation as a positive account of what free action is, independently of any practical or ethical system that requires it. This divergence is philosophically significant but not architecturally problematic. Sterling’s transcendental route establishes that libertarian free will must be true given what Stoicism claims. O’Connor’s direct route establishes that it is metaphysically coherent independently. The two arguments are complementary: Sterling shows why the framework needs it; O’Connor shows that what the framework needs is philosophically defensible.
Point of divergence — substance dualism as background condition: In Sterling’s framework, libertarian free will is inseparable from substance dualism. The Pause is real because the rational faculty is a distinct substance with genuine causal independence from the physical order. Without C1, C2 lacks its metaphysical locus. O’Connor defends agent causation within a framework that is not explicitly committed to substance dualism — he argues that persons as substances have irreducible causal powers, but his account of what kind of substance a person is is more minimal than Sterling’s. For the corpus, the integration of C1 and C2 is architecturally essential and is not fully present in O’Connor alone.
Overall correspondence finding: The load-bearing argumentative moves are structurally equivalent. Both Sterling and O’Connor identify origination as the criterion genuine freedom requires, make the same precise objection to compatibilism, and hold that alternative possibilities are metaphysically real at the decision point. O’Connor’s direct metaphysical defense of agent causation provides independent philosophical corroboration for what Sterling’s transcendental argument establishes as necessary. The divergence in metaphysical framework is complementary rather than conflicting. The absence of full C1/C2 integration in O’Connor is noted as a gap the corpus fills that O’Connor does not.
Sterling and the Contemporary Proponents — Argument Correspondence Map. C2: Libertarian Free Will. Analysis: Dave Kelly, 2026. Theoretical framework: Grant C. Sterling. Prose rendering: Claude.
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