{"id":"dual-prerequisites-enable-pattern-ecosystem","text":"The GoF pattern ecosystem rests on two independent prerequisites: interface inheritance provides polymorphic substitutability (validated by LSP's behavioral contracts), while creational patterns provide flexible instantiation — without either, composition-based patterns cannot be applied.","truth_value":"OUT","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["interface-inheritance-enables-pattern-ecosystem","creational-patterns-enable-composition-reuse"],"outlist":[],"label":"Substitutability (interface inheritance) and instantiation flexibility (creational patterns) are orthogonal prerequisites that jointly enable the full pattern catalog"}],"dependents":["composition-paradigm-requires-full-prerequisite-stack","enabling-stack-theory-and-mechanism"],"metadata":{"source_type":"derived","review_result":"invalid"},"created_at":"2026-06-17T18:00:51+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":"dual-prerequisites-enable-pattern-ecosystem","truth_value":"OUT","reason":"SL justification invalid","failed_antecedents":["interface-inheritance-enables-pattern-ecosystem"],"label":"Substitutability (interface inheritance) and instantiation flexibility (creational patterns) are orthogonal prerequisites that jointly enable the full pattern catalog"}]}}