A system is disclosed in which system behavior is constituted exclusively through admissible structural participation of structured memory entities within a system memory domain. The system memory domain maintains admissibility conditions corresponding to allowable fact expressions, relational states, structural participation forms, stored structural relationships, and validated memory states. Artificial intelligence components operate as non-determinative candidate-generating structures that produce representations corresponding to potential system conditions, which are transformed into structured forms and evaluated for admissibility correspondence. Validation structures establish structural correspondence across representations prior to admissibility correspondence. Structured memory entities are admitted into the system memory domain only upon correspondence with admissibility conditions and thereafter participate in system behavior. Communication mechanisms provide information presence without defining behavior, and device-level memory structures provide localized structural availability without independent authority. System behavior is therefore derived from memory-governed structural participation, enabling deterministic and verifiable operation across distributed and heterogeneous environments.