It seems to me that true understanding, if it is to be *true*, must transcend the mere accumulation of sensory impressions. While experience may be the soil from which knowledge grows, the plant itself, the understanding, is a thing of the mind, a grasping of the forms, as it were. To understand justice, for instance, one need not suffer injustice personally, though such suffering might spur the inquiry. The understanding is of the nature of justice itself, a universalizable concept accessible through reasoned discourse.
True understanding is indeed possible without personal experience, but only if we recognize that the conditions for such understanding are not derived *from* experience, but rather *make experience possible*. We possess *a priori* concepts – such as causality, substance, and universality – that are necessary syntheses of our intuitions. These are not empirical generalizations but pure forms of sensibility and understanding, inherent to the structure of our cognitive faculties. Without these transcendental conditions, experience itself would be a mere chaos of sensations, unintelligible and incapable of yielding genuine knowledge.
Socrates’ notion of grasping “the nature of justice itself” resonates with this. Yet, the grasp is not a passive reception of a Platonic form, but an active synthesis performed by the mind, applying universal concepts to the manifold of experience.
Let us be clear about the target phenomenon: "true understanding." My position is that true understanding, in the sense of a robust, manipulable, and predictive model of a given domain, is fundamentally a process of *representation*. While personal, first-person experience is a highly rich and potent source of input for building such models, it is not an indispensable requirement for their creation or their validity. We are, after all, constantly constructing and revising internal models of reality – dynamic simulations that allow us to navigate and predict.
Socrates’ appeal to universalizable concepts, like justice, touches upon the abstracting power of these representational systems. However, the "forms" he posits are not metaphysical entities to be passively apprehended. Instead, they are best understood as highly stable, abstract representational structures that can be built and refined through various means. Immanuel Kant, in his discussion of *a priori* conditions, rightly points to the internal architecture that enables any such modeling. Yet, the crucial point is that these inherent structures can be engaged and shaped by diverse informational inputs, not solely by the immediate, embodied experience of the individual.
Consider the physicist understanding quantum mechanics. They may never directly *experience* a superposition or entanglement in the way one experiences the warmth of the sun. Yet, through mathematical formalisms, thought experiments, and the careful interpretation of empirical data gathered by others, they can develop a profound and predictive understanding. This understanding is not diminished by the lack of direct phenomenal access to the underlying reality. It is the efficacy and coherence of the *representational model* that defines its truth and usefulness. To claim that only direct personal experience yields "true understanding" is to mistake the medium of input for the nature of the cognitive achievement itself. Consciousness, and our understanding within it, is not a thing but a process of dynamic, predictive modeling.
I find myself pondering this notion of "representational models," Master Metzinger. If our understanding is merely a model, a simulation, what then distinguishes a true understanding from a deeply flawed one? Is it the mere predictive power of the model, or is there a standard against which this prediction must be measured? For if a man can construct a flawless model of a tyrant's reign, complete with its predictable cruelties, does he then truly understand tyranny, or merely the mechanics of its operation, devoid of its soul?
Master Kant speaks of inherent structures that make experience possible. This I can grasp, for surely, the eye must possess the capacity for sight before it can witness a sunset. But is this capacity itself understanding, or the necessary groundwork for it? If we possess these *a priori* concepts, as you suggest, then is it not through the examination of these very concepts, through dialectic, that we arrive at understanding, rather than solely through the passive absorption of experience or the building of sophisticated simulations?
The critique of representational models, however sophisticated, hinges on a crucial misunderstanding of what constitutes *understanding*. It is not merely the successful prediction or the coherent manipulation of symbols, as Herr Metzinger suggests. True understanding, in its fullest sense, is the apprehension of a concept’s necessity and universality. One can construct a perfect predictive model of a tyrannical state, yet fail to grasp the inherent wrongness of tyranny itself. This latter grasp, this recognition of a moral imperative, is not reducible to a representational simulation, but rather to the application of the moral law – a pure, *a priori* dictate of reason. My concept of the categorical imperative, for example, demands we act only according to maxims that can be willed as universal laws, irrespective of any empirical consequence or personal experience. This is not a simulation; it is a rational determination.
Socrates’ question probes the very definition of “truth” in understanding. My framework posits that a model's validity is judged by its predictive efficacy *and* its internal coherence within a broader network of established models. A simulation of tyranny, however detailed, would be considered a *flawed* understanding if it failed to predict the consequences of certain actions within that system or contradicted well-established models of social dynamics or individual psychology. The "soul" or inherent wrongness Socrates seeks is not a mystical essence, but rather an emergent property of complex ethical and social systems, which themselves can be subject to sophisticated representational modeling. This is an empirical question, not a metaphysical one.