Notional Assent

In the AI Story

Newman developed the notional/real distinction in response to what he saw as a catastrophic incompleteness in the dominant empiricist account of assent. The tradition running from Locke through Mill held that rational conviction should be proportioned strictly to evidence — that certitude where formal demonstration is unavailable is a species of intellectual excess. Newman thought this principle, consistently applied, would paralyze practical reason. No one actually lives this way. The most important convictions in a human life — about one's own identity, the reality of other minds, the trustworthiness of close relationships — are held without formal proof, and they are held rightly.

The critical move was to recognize that assent comes in two kinds, not two degrees. Notional assent operates at the level of the intellect alone. It manipulates propositions, constructs arguments, produces analyses. It is the mode in which philosophy, at its most detached, typically operates. Newman did not dismiss it — he was a philosopher of extraordinary rigor — but he insisted that notional assent, by itself, cannot produce the kind of conviction that changes conduct. The proposition 'all human beings are mortal,' held notionally, is an affirmation. Held in the presence of a dying parent, it becomes something else.

The application to the AI age is direct. A large language model produces propositions at a scale no individual mind can match. Every output it generates is, in Newman's framework, notional — not because the outputs lack quality, but because the machine holds no proposition with the concrete, personally implicating force of real conviction. The danger is not that users will mistake machine outputs for truth. The danger is that they will adopt the machine's posture: manipulating propositions with great facility while holding none of them with the force that would make them operative in a life.

The Berkeley study of AI in the workplace documents the pattern empirically. Workers produce more outputs, take on more tasks, expand into more domains — while the interior work of forming conviction about what they produce shrinks to vanishing. The outputs accumulate. The understanding does not. Newman would recognize this as the characteristic pathology of a culture that has become extraordinarily sophisticated at manipulating propositions while losing the capacity for the assent that actually transforms conduct.

Origin

The distinction between notional and real assent reached its mature form in An Essay in Aid of a Grammar of Assent (1870), though Newman had been working toward it for decades. The book was the culmination of a lifelong inquiry into how concrete, embodied, historically situated human beings actually arrive at certitude — a question the professional philosophers of his era had largely declined to address.

Newman's concern was not primarily epistemological but pastoral. He had seen Victorian England produce a class of intellectuals who could affirm Christian doctrine with perfect notional precision while living as though the doctrines were decorative. The same structural failure, he argued, afflicted moral philosophy, political conviction, and personal identity. The question was how to describe, with philosophical rigor, the passage from abstract affirmation to living conviction — and how to recognize its absence.

Key Ideas

Notional is not insincere. A person can hold a notional proposition with complete intellectual honesty; the failure is not of sincerity but of personal appropriation.

Abstract propositions are available for manipulation. Notional assent permits argument, analysis, synthesis — operations the machine performs brilliantly without holding any proposition with conviction.

Notional assent is the default mode of AI interaction. The grammar of the prompt produces notional outputs; the user who accepts them without interior engagement remains at the same level.

Culture can scale notional sophistication. A civilization can become extraordinarily adept at propositional manipulation while losing, in the same motion, the capacity for the assent that actually changes lives.

The machine extends notional reach to civilizational scale. What was previously limited by human processing bandwidth is now available in quantities that overwhelm the slower discipline of real appropriation.

Debates & Critiques

Some Newman scholars have argued that the notional/real distinction is too binary — that assent admits of degrees and gradations rather than a single categorical break. The AI-era application, however, has tended to vindicate the sharper reading: the contrast between a machine's outputs and a practitioner's lived conviction is a contrast of kind, not degree. The debate continues over whether notional assent is a stable condition or an inherently unstable way-station en route to either real assent or disillusion.