A Functional Basis for Concept Mastery

Philosophical accounts of concept mastery often wrestle with how to draw a meaningful line between deep understanding and mere competence – or worse, a kind of linguistic mimicry grounded in social deference (cf. Burge 1979). While externalist approaches have illuminated important dynamics of linguistic and communal coordination, they may leave underexamined the internal, functional state of the individual mind, a gap Rabin (2018) exposes by showing that mastery is not reducible to belief, inference, or intuition, though he stops short of specifying any functional process. The present paper offers a mechanistic framework that attempts to clarify what may be happening inside the individual cognitive system during this shift from deference to mastery. Grounded in cybernetic principles, the framework treats the brain as a unified control system – referred to here as the brain at large (BAL) – and distinguishes its global operations from a developmentally emergent internal feedback process, termed looping, which builds upon the expressive pathways of a proxy transfer device (PTD). Mastery, in this view, is not a matter of social status or external alignment, but a specific, internal functional achievement: the BAL’s ability to deploy well-integrated neuronal proxies (operational correlates of concepts) with autonomy, relying on looping as a strategic tool rather than a crutch. In this way, the framework re-centers the phenomenon of understanding within the brain’s own organizational dynamics – offering a concrete alternative to purely social or abstract philosophical accounts. (Working Paper – updated November 14, 2025, with correction about Burge’s arthritis example)