Chapter 3: The Four Registers of Reason

Every claim a self-modelling observer can make falls into exactly one of four typed registers: empirical (E), practical (P), diagrammatic (D), or commitment (C). Each register asks a distinct question, admits independent coherence criteria, and couples to the τ-kernel through a dedicated readout functor. The Register Independence Theorem proves that incoherence in one register does not propagate to the others—a structural result that dissolves a large class of pseudo-paradoxes generated by register conflation.