Aleatory Materialism

Aleatory Materialism, as Žižek deploys it in Less Than Nothing, names and critiques the late Althusserian philosophical program that takes contingency, interruption, and the "clinamen" (the Epicurean swerve, the unmotivated deviation) as the irreducible ground of materialist ontology. The core Althusserian wager is that there is no necessity beneath contingency — only aleatory encounters, random deviations, and falls that retroactively coalesce into stable formations. Žižek's critique identifies a self-undermining paradox within this program: if the clinamen — the singular surprise of the event, the punctual break in regularity — is universalized into the general law of the real, then surprise itself is abolished. The "renormalization" of the clinamen, as Žižek puts it, converts the exceptional into the rule, thereby liquidating the very feature (the shock of interruption) that gave aleatory materialism its critical and ontological bite. What was meant to be a philosophy of radical openness becomes a new necessity — a nominalism of interruptions that is structurally no different from the determinism it opposes.

The deeper theoretical move is to situate aleatory materialism within the logic of sexuation. Žižek reads Meillassoux's universalization of contingency — the claim that contingency is the one necessary truth — as a masculine or "phallic" gesture in Lacan's precise sense: a universal proposition (every x is subject to contingency) that requires a constitutive exception (the necessity of contingency itself) to sustain itself. Contrasted with this is a feminine or "not-all" logic, which does not universalize contingency but acknowledges that no stable metalanguage can encompass the whole of the real. Alongside this, Žižek develops the contrasting account of how retroactive cuts — the "dot," the Master-Signifier — do not supplement reality from outside but are constitutive of its ontological consistency. This places aleatory materialism in dialectical tension with the Lacanian thesis that fiction and fantasy are not opposed to reality but are its conditions of possibility.

This concept appears once in slavoj-zizek-less-than-nothing-hegel-and-the-shadow-of-dialectical-materialism-v, embedded in Žižek's broader argument about the formulas of sexuation and the ontological status of the Master-Signifier. Aleatory materialism functions there as a critical foil: it is the position Žižek identifies as structurally masculine (in Lacan's sense of the Not-all canonical concept) insofar as it attempts to ground a universal claim — that all is contingency — on a necessarily exceptional meta-level claim. This connects directly to the cross-referenced canonical concept of the Not-all: Žižek's critique implies that a genuinely non-phallic materialism would have to be "not-all" contingent rather than universally contingent, leaving the real without a stable metalanguage. The critique also resonates with the canonical concepts of Ideology and Fantasy: aleatory materialism, in "renormalizing" the clinamen, risks becoming ideological in the sense identified in the Ideology synthesis — a structure that produces its own blind spot through the very universalization of its principle. Just as ideology sustains itself through what it cannot say, aleatory materialism occludes its own exception. And just as Fantasy constitutes reality by providing its coordinates, Žižek's counter-argument holds that retroactive cuts (Master-Signifiers, fictional frames) are not aleatory accidents but the very mechanisms through which reality achieves ontological consistency — a point that aligns with the Fantasy synthesis's claim that "everything we are allowed to approach by way of reality remains rooted in fantasy."

Less Than Nothing: Hegel and the Shadow of Dialectical MaterialismSlavoj Žižek · 2012 (page unknown)

what the late Althusser called 'aleatory materialism') is that it 'renormalizes' the clinamen and thus turns into its opposite: if all that there is are interruptions or falls, then the key aspect of surprise … is lost

The term "renormalizes" is theoretically decisive: it names the self-cancelling mechanism by which a philosophy of exception — the clinamen as singular swerve — becomes a new norm, and in doing so "turns into its opposite," which is a classically dialectical reversal. The phrase "if all that there is are interruptions or falls" exposes the performative contradiction at the heart of aleatory materialism: universalizing the structure of surprise annihilates surprise as such, collapsing the aleatory into a new determinism.