The Enlightenment bequeathed the conviction that prejudice is the enemy of understanding. To see clearly, one must strip away bias, tradition, inheritance — until one arrives at the bare rational subject capable of confronting reality without distortion. Gadamer argued this conviction was itself a prejudice, and a dangerous one, because it concealed the very presuppositions that made observation possible. The German Vorurteil means, more precisely, pre-judgment — a judgment made before the encounter with the subject matter. Such pre-judgments are not necessarily distortions. In many cases, they are the conditions without which the encounter cannot occur. One cannot ask a question without already understanding something about the domain. One cannot interpret without bringing expectations about what kind of meaning might be found. The critical question is not whether one has prejudices — everyone does, always — but whether one's prejudices are productive or obstructive, and whether one submits them to the discipline of being tested by what the subject matter reveals.
Gadamer's rehabilitation of prejudice was directed against the Enlightenment's 'prejudice against prejudice' — the conviction that all pre-judgments are distortions to be eliminated on the path to objective knowledge. This conviction was itself, Gadamer argued, a prejudice, and a particularly dangerous one, because it concealed from the rational subject the conditions that made their understanding possible.
Drawing on Heidegger's analysis of the fore-structures of understanding — the Vorhabe, Vorsicht, and Vorgriff that precede every explicit interpretation — Gadamer developed an account of prejudice as the scaffolding on which understanding is built rather than the obstacle to be cleared away.
Productive prejudices open the interpreter to the subject matter; obstructive prejudices close them to it. The distinction cannot be made in advance. A prejudice reveals itself as obstructive when the subject matter resists it — when the text says something the framework cannot accommodate, when the evidence contradicts the hypothesis.
In the AI conversation, the interpreter who brings rich, deeply-formed, tradition-informed prejudices engages productively with the output — testing it, challenging it, drawing from it what is genuinely illuminating. The interpreter who brings no such prejudices has nothing against which to test the output. The AI's plausibility fills the vacuum of the interpreter's understanding, and the Deleuze error becomes inevitable.
The German word Vorurteil originally meant simply 'pre-judgment' — a provisional judgment made before full deliberation, as in legal contexts where a preliminary ruling might be called a Vorurteil.
The Enlightenment gave the word its negative valence, transforming 'pre-judgment' into 'prejudice' understood as unfounded bias. Gadamer's philological move in Truth and Method was to recover the original meaning — pre-judgment as the enabling fore-structure of all understanding.
Prejudice as condition. Understanding requires fore-structures. The attempt to eliminate all prejudice is the attempt to understand from nowhere, which is impossible.
Productive versus obstructive. The distinction cannot be made in the abstract. It emerges in the encounter, when the subject matter either yields to the prejudice or resists it.
The discipline of testing. The hermeneutic virtue is not the absence of prejudice but the willingness to submit prejudices to the resistance of the subject matter and to revise them when they fail.
The impoverishment risk. An interpreter without rich prejudices — without tradition-formed commitments — has no resources to test AI output against. The output's plausibility fills the vacuum.
Against the Enlightenment prejudice. The prejudice against prejudice is itself a prejudice. Naming it as such is the first step in recovering the hermeneutic conditions of genuine understanding.
Jürgen Habermas argued that Gadamer's rehabilitation of prejudice was insufficiently critical — that it failed to account for ways tradition encodes power, perpetuates injustice, and suppresses voices excluded from the conversation. Gadamer responded that the critical examination of tradition is itself a hermeneutic activity, conducted from within tradition using resources tradition provides. The debate remains live in contemporary discussions of AI training data, which carries systematic biases that require the same critical examination Gadamer demanded of any tradition.