{"id":"controlled-sharing-meta-pattern","text":"The GoF catalog employs a recurring controlled-sharing meta-pattern across categories: State subclasses share instances via Singleton registries (behavioral pattern leveraging creational infrastructure), while Flyweight shares intrinsic-state objects via Factory lookup (structural pattern leveraging creational infrastructure), both demonstrating that creational patterns serve as sharing infrastructure for other categories.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["gof-state-subclasses-often-singletons","flyweight-factory-ensures-sharing"],"outlist":[],"label":"Depth-1 — two independent base observations (State-as-Singleton and Flyweight-via-Factory) converge on a cross-category meta-pattern where creational mechanisms serve as sharing infrastructure for behavioral and structural patterns"}],"dependents":["creational-enables-cross-category-sharing","deferred-duplication-principle-spans-temporal-and-spatial-domains","prototype-flyweight-creation-sharing-spectrum","recursive-infrastructure-memory-governed-by-controlled-sharing","registry-singleton-controlled-sharing-infrastructure-stack"],"metadata":{"source_type":"derived","review_result":"pass"},"created_at":"2026-06-17T19:12:32+00:00","updated_at":"2026-06-18T06:15:08+00:00","reviewed_at":"2026-06-18T06:15:08+00:00","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"controlled-sharing-meta-pattern","truth_value":"IN","reason":"SL justification valid","antecedents":["gof-state-subclasses-often-singletons","flyweight-factory-ensures-sharing"],"label":"Depth-1 — two independent base observations (State-as-Singleton and Flyweight-via-Factory) converge on a cross-category meta-pattern where creational mechanisms serve as sharing infrastructure for behavioral and structural patterns"},{"node":"gof-state-subclasses-often-singletons","truth_value":"IN","reason":"premise"},{"node":"flyweight-factory-ensures-sharing","truth_value":"IN","reason":"premise"}]}}