{"id":"composite-flyweight-scalable-trees","text":"Composite and Flyweight form a complementary pair for scalable recursive structures: Composite provides the uniform tree abstraction for treating parts and wholes identically, while Flyweight makes it memory-efficient through intrinsic/extrinsic state partitioning — together enabling structures like document editors with hundreds of thousands of elements represented by hundreds of shared objects.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["composite-as-universal-recursive-structure","flyweight-solves-composite-sharing"],"outlist":[],"label":"Two depth-1 conclusions about Composite's structure and Flyweight's optimization combine into a single scalable-tree design"}],"dependents":["composition-operates-at-three-scales","glyphcontext-validates-flyweight-within-recursive-infrastructure","recursive-composition-reliable-at-scale","recursive-structure-complete-infrastructure","recursive-subsystem-safely-scalable-at-extreme-scale","sharing-infrastructure-enables-scalable-composition"],"metadata":{"source_type":"derived","review_result":"pass"},"created_at":"2026-06-17T17:55:06+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":"composite-flyweight-scalable-trees","truth_value":"IN","reason":"SL justification valid","antecedents":["composite-as-universal-recursive-structure","flyweight-solves-composite-sharing"],"label":"Two depth-1 conclusions about Composite's structure and Flyweight's optimization combine into a single scalable-tree design"},{"node":"composite-as-universal-recursive-structure","truth_value":"IN","reason":"SL justification valid","antecedents":["composite-uniform-leaf-composite-treatment","interpreter-abstract-syntax-tree-is-composite","macrocommand-is-composite-of-commands"],"label":"Three distinct patterns reuse Composite's recursive composition structure"},{"node":"composite-uniform-leaf-composite-treatment","truth_value":"IN","reason":"premise"},{"node":"interpreter-abstract-syntax-tree-is-composite","truth_value":"IN","reason":"premise"},{"node":"macrocommand-is-composite-of-commands","truth_value":"IN","reason":"premise"},{"node":"flyweight-solves-composite-sharing","truth_value":"IN","reason":"SL justification valid","antecedents":["flyweight-solves-composite-sharing","flyweight-intrinsic-vs-extrinsic-state","flyweight-doc-editor-180k-chars-480-objects"],"label":"Flyweight's state-splitting mechanism directly solves Composite's sharing problem"},{"node":"flyweight-solves-composite-sharing","truth_value":"IN","reason":"circular dependency"},{"node":"flyweight-intrinsic-vs-extrinsic-state","truth_value":"IN","reason":"premise"},{"node":"flyweight-doc-editor-180k-chars-480-objects","truth_value":"IN","reason":"premise"}]}}