The assumption that the meaning of a word can be specified in advance of its use — and the philosophical error that underwrites the naïve conception of what language models do with language.
The fallacy of the perfect dictionary is the assumption that each word in a language has a determinate meaning that can be catalogued, preserved, and retrieved without loss. On this picture, language is a system of fixed signs pointing to fixed meanings; understanding a sentence is a matter of retrieving the meanings assigned to its component words and combining them according to grammatical rules. The picture is intuitive, widespread, and — Whitehead argued — false. Meaning, in his framework, is not a content retrieved from storage but an event that comes into being in the act of expression.
The Fallacy of the Perfect Dictionary
In The You On AI Field Guide
Whitehead understood language as a living process of expression — a mode of prehension through which one occasion of experience communicates its achieved pattern to another. A word is not a container holding a meaning; it is an event, a momentary convergence of sound, context, history, intention, expectation, and