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Shadow Theory
Paper 02Canonicalv5

Completion Necessity for Readout-Non-Equivalent Domains

Certified active slot failure and the obstruction to full public closure

Authority role

Establishes the obstruction criterion: readout loss becomes a genuine public obstruction only when it is certified as an active, uncleared failure of an essential public closure slot.

Summary

Proves the precise additional condition under which a lost realization role becomes a genuine obstruction: a certified active failure profile on an essential closure slot with no checked repair or public surrogate. Blocks the common overread that readout loss automatically obstructs anything, instantiates the theorem for first-order proof targets, and emits a completion-need record for downstream categorical completion theory.

Notes

Reading notes

Paper 1 is a non-equivalence principle, not an obstruction machine. This paper supplies the missing certificate: it fixes a public target, a frozen readout state, and a lost realization role, and defines essential closure slots generated from the target specification alone.

DefinitionCertified active failure profile

A certified verdict that a lost role uu is required by an essential slot ss and that no checked repair, discharge, or public surrogate clears that slot.

TheoremBridge principle (informal)

Readout loss plus certified active slot failure blocks sound full public closure. Neither alone suffices.

The first-order instantiation distinguishes a checker-accepted derivation from resolved public proof closure from the frozen base, and is explicitly conditional on declared certified subcalculi.

Cite this paper

Rodgers, Jeremy. (2026). Completion Necessity for Readout-Non-Equivalent Domains (v5). https://doi.org/10.5281/zenodo.21184388