{"id":"variation-plus-modification-complete-flexibility","text":"The GoF catalog achieves complete design flexibility through two complementary coverage systems: the variation taxonomy with axis escape (23 patterns each encapsulating a variable aspect, Visitor handling the inverted extension axis) covers WHAT can vary in a design, while the four-dimensional behavioral modification space (wrapping depth, decoupling topology, state capture, state-strategy duality) covers HOW to modify behavior — both unified through the composition paradigm as the single organizing principle.","truth_value":"OUT","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["variation-comprehensive-with-axis-escape","behavioral-four-dimensional-modification-space"],"outlist":[],"label":"Variation taxonomy covers what-varies plus modification space covers how-to-modify, unified under composition"}],"dependents":[],"metadata":{"source_type":"derived","review_result":"pass","_retracted":true},"created_at":"2026-06-17T18:45:59+00:00","updated_at":"2026-06-17T19:54:13+00:00","reviewed_at":"2026-06-17T19:40:46+00:00","verified_at":"","retracted_at":"2026-06-17T19:54:13+00:00","explanation":{"steps":[{"node":"variation-plus-modification-complete-flexibility","truth_value":"OUT","reason":"SL justification invalid","failed_antecedents":["variation-comprehensive-with-axis-escape"],"label":"Variation taxonomy covers what-varies plus modification space covers how-to-modify, unified under composition"}]}}