{"id":"composite-iterator-visitor-recursive-triad","text":"Composite, Iterator, and Visitor form a mutually supportive triad for recursive structures: Composite provides uniform tree structure, Iterator separates traversal responsibility, and Visitor provides extensible operations — decomposing recursive data processing into three independent variation axes (structure, traversal, operation).","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["composite-uniform-leaf-composite-treatment","iterator-separates-traversal-from-aggregate","visitor-enables-open-ended-operations","gof-iterator-related-composite-factory-memento"],"outlist":[],"label":"Four base beliefs establish that these three patterns address orthogonal concerns over the same recursive data; the triad is the emergent structural relationship"}],"dependents":["composite-generates-behavioral-patterns","recursive-structure-complete-infrastructure","recursive-triad-traversal-flexibility"],"metadata":{"source_type":"derived","review_result":"pass"},"created_at":"2026-06-17T18:38:48+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-iterator-visitor-recursive-triad","truth_value":"IN","reason":"SL justification valid","antecedents":["composite-uniform-leaf-composite-treatment","iterator-separates-traversal-from-aggregate","visitor-enables-open-ended-operations","gof-iterator-related-composite-factory-memento"],"label":"Four base beliefs establish that these three patterns address orthogonal concerns over the same recursive data; the triad is the emergent structural relationship"},{"node":"composite-uniform-leaf-composite-treatment","truth_value":"IN","reason":"premise"},{"node":"iterator-separates-traversal-from-aggregate","truth_value":"IN","reason":"premise"},{"node":"visitor-enables-open-ended-operations","truth_value":"IN","reason":"premise"},{"node":"gof-iterator-related-composite-factory-memento","truth_value":"IN","reason":"premise"}]}}