{"id":"composition-operates-at-three-scales","text":"Composition operates at three distinct scales in OO design, each validated by the GoF catalog: at the object relationship level, abstract coupling provides substitutability and flexibility; at the data structure level, Composite and Flyweight combine for scalable recursive trees; and at the system architecture level, pattern composition assembles cooperating patterns into frameworks — demonstrating that composition is not just a local technique but a fractal organizing principle.","truth_value":"OUT","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["abstract-coupling-composition-dual-foundation","composite-flyweight-scalable-trees","pattern-composition-scales-to-architecture"],"outlist":[],"label":"Three depth-2 conclusions each demonstrate composition dominance at a different granularity"}],"dependents":["composition-scalability-empirically-validated-at-all-levels","composition-three-scales-times-four-dimensions","comprehensive-composition-at-all-scales","coupling-management-comprehensive-and-scalable","solid-grounded-composition-at-all-scales","state-capture-extends-composition-temporally"],"metadata":{"source_type":"derived","review_result":"pass"},"created_at":"2026-06-17T17:57:39+00:00","updated_at":"2026-06-17T20:39:50+00:00","reviewed_at":"2026-06-17T20:39:50+00:00","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"composition-operates-at-three-scales","truth_value":"OUT","reason":"SL justification invalid","failed_antecedents":["abstract-coupling-composition-dual-foundation","pattern-composition-scales-to-architecture"],"label":"Three depth-2 conclusions each demonstrate composition dominance at a different granularity"}]}}