{"results":[{"id":"abstract-factory-techniques-recapitulate-reuse-spectrum","text":"Abstract Factory's three implementation techniques — factory methods in subclasses, prototype-based cloning, and class-as-factory — can be loosely mapped onto the three OO reuse mechanisms (inheritance, composition, and parameterized types), suggesting that a single pattern may draw on more than one reuse axis, though the antecedents do not explicitly establish this correspondence.","truth_value":"IN","justification_count":1,"dependent_count":1,"challenges":[],"last_reviewed":"2026-06-18T06:15:08+00:00","review_result":"invalid","source_type":"derived"},{"id":"adapter-class-vs-object-two-forms","text":"The Adapter pattern has two forms: class adapter (uses multiple inheritance to adapt interfaces, inheriting interface publicly and implementation privately) and object adapter (uses composition, holding a pointer to the adaptee).","truth_value":"IN","justification_count":0,"dependent_count":1,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"adapter-object-flexibility-validates-composition-default","text":"Object adapters' flexibility advantage over class adapters (working with the adaptee and all its subclasses vs. committing to one at compile time) is a concrete instance of the general composition-over-inheritance principle: the same runtime-vs-compile-time divergence that causally explains composition's scalability also explains why object adaptation is more flexible than class adaptation.","truth_value":"IN","justification_count":1,"dependent_count":0,"challenges":[],"last_reviewed":"2026-06-18T06:15:08+00:00","review_result":"pass","source_type":"derived"},{"id":"behavioral-patterns-class-vs-object","text":"Behavioral class patterns (Template Method, Interpreter) use inheritance to distribute behavior, while behavioral object patterns (Mediator, Chain of Responsibility, Observer, Strategy, Command, State, Visitor, Iterator) use object composition.","truth_value":"IN","justification_count":0,"dependent_count":1,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"behavioral-patterns-favor-composition","text":"Behavioral object patterns (Strategy, State, Observer, Command, Mediator, Chain of Responsibility) all use object composition rather than inheritance to distribute behavior, directly embodying the GoF's composition-over-inheritance principle as the dominant approach for encapsulating variation.","truth_value":"IN","justification_count":1,"dependent_count":4,"challenges":[],"last_reviewed":"2026-06-18T06:15:08+00:00","review_result":"unnecessary","source_type":"derived"},{"id":"bridge-cannot-use-multiple-inheritance-cpp","text":"Multiple inheritance cannot implement a true Bridge in C++ because it creates a static compile-time binding between interface and implementation, preventing the runtime flexibility that Bridge requires.","truth_value":"IN","justification_count":0,"dependent_count":2,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"class-scope-object-scope-grounds-composition-superiority","text":"The GoF's classification of patterns into class-scope (inheritance, fixed at compile time) and object-scope (composition, changeable at runtime) — with the majority of patterns being object-scoped — provides independent classificatory evidence for composition's causal superiority: the catalog itself is predominantly object-scoped because runtime flexibility is where design flexibility lives.","truth_value":"OUT","justification_count":1,"dependent_count":0,"challenges":[],"last_reviewed":"2026-06-18T03:27:41+00:00","review_result":"pass","source_type":"derived"},{"id":"class-vs-interface-inheritance-distinction","text":"Class inheritance defines an object's implementation in terms of another's (code and representation sharing), while interface inheritance (subtyping) describes when an object can be used in place of another.","truth_value":"IN","justification_count":0,"dependent_count":1,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"command-encapsulates-request-as-object","text":"The Command pattern encapsulates a request as an object, parameterizing UI elements (menu items, buttons) with command objects rather than functions, enabling undo/redo, state association, and extensibility via inheritance","truth_value":"IN","justification_count":0,"dependent_count":1,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":""},{"id":"composition-centric-design-paradigm","text":"The GoF catalog converges on a composition-centric paradigm: structural flexibility relies on abstract coupling via composition, behavioral decoupling uses composition-based object patterns across all four sender-receiver topologies, and extension mechanisms from skin (Decorator) through guts (Strategy) favor composition over inheritance — establishing composition as the single unifying principle of the catalog.","truth_value":"OUT","justification_count":1,"dependent_count":5,"challenges":[],"last_reviewed":"2026-06-17T20:39:50+00:00","review_result":"pass","source_type":"derived"},{"id":"composition-convergence-scalably-grounded","text":"Composition's convergent evolutionary validation (independent trajectories in both creational patterns and OCP migrating from inheritance to composition) is complemented by its doubly-grounded scalability (four theoretical proofs plus sharing infrastructure): convergence establishes composition as the right paradigm, scalability grounding establishes it works at scale — together providing both directional confidence and practical assurance.","truth_value":"IN","justification_count":1,"dependent_count":1,"challenges":[],"last_reviewed":"2026-06-18T06:15:08+00:00","review_result":"pass","source_type":"derived"},{"id":"composition-paradigm-convergent-and-scalable-with-bounded-exception","text":"Composition is the validated default reuse paradigm — convergently evolved from multiple independent trajectories and doubly grounded in scalability — with Template Method marking the precisely bounded exception where inheritance is justified: composition's rightness is established by convergence, its scalability by theoretical and practical evidence, and its scope by the narrow inheritance zone that Template Method defines.","truth_value":"IN","justification_count":1,"dependent_count":5,"challenges":[],"last_reviewed":"2026-06-18T06:15:08+00:00","review_result":"pass","source_type":"derived"},{"id":"composition-paradigm-doubly-validated","text":"The composition-centric paradigm is validated by two independent lines of evidence: OCP's historical evolution from inheritance to abstraction (theoretical validation — the OO community's own principle revision converged on composition) and Decorator's quantitative proof of exponential scalability advantage (empirical validation — concrete measurement of composition's superiority), making the paradigm both historically endorsed and empirically demonstrated.","truth_value":"IN","justification_count":1,"dependent_count":1,"challenges":[],"last_reviewed":"2026-06-18T06:15:08+00:00","review_result":"pass","source_type":"derived"},{"id":"composition-paradigm-requires-full-prerequisite-stack","text":"The composition-centric paradigm depends on the complete GoF prerequisite stack: interface inheritance provides polymorphic substitutability (validated by LSP), creational patterns provide runtime object construction, and together these enable the composition mechanisms that dominate the catalog.","truth_value":"OUT","justification_count":1,"dependent_count":2,"challenges":[],"last_reviewed":"2026-06-17T20:39:50+00:00","review_result":"pass","source_type":"derived"},{"id":"composition-paradigm-universally-applicable","text":"The composition-centric design paradigm — with its complete prerequisite stack (SOLID dependency chain + interface inheritance + creational patterns) providing theoretical grounding and its validated operation at all three scales (object coupling, recursive trees, architectural pattern composition) — is universally applicable to any OO design problem, provided that interface abstractions reflect genuine design boundaries rather than mechanical wrapping of concrete implementations.","truth_value":"OUT","justification_count":1,"dependent_count":0,"challenges":[],"last_reviewed":null,"review_result":null,"source_type":"derived"},{"id":"composition-quadruply-evidenced","text":"Composition's scalability advantage over inheritance is supported by converging evidence across theory and practice: OCP's historical evolution from inheritance to abstraction provides theoretical validation (the OO community's own principle revision converged on composition), while Decorator's quantitative proof (n embellishments requiring 2^n subclasses vs. n+1 decorators) and Bridge's independent prevention of M×N class proliferation provide empirical validation across structural pattern categories.","truth_value":"IN","justification_count":1,"dependent_count":1,"challenges":[],"last_reviewed":"2026-06-18T06:15:08+00:00","review_result":"invalid","source_type":"derived"},{"id":"composition-scalability-empirically-proven-and-causally-explained","text":"The composition paradigm's scalability advantage achieves complete epistemic closure: its quantitative demonstrations (Bridge M×N and Decorator 2^n explosion prevention with complete creational backing) provide the empirical evidence, while the runtime/compile-time divergence provides the causal mechanism — inheritance creates combinations as static compile-time classes (hence exponential proliferation), composition creates them as dynamic runtime configurations (hence linear class requirements) — establishing not just that composition scales but why it must.","truth_value":"IN","justification_count":1,"dependent_count":3,"challenges":[],"last_reviewed":"2026-06-18T06:15:08+00:00","review_result":"pass","source_type":"derived"},{"id":"composition-scalability-empirically-validated-at-all-levels","text":"Composition's scalability advantage is supported by concrete evidence (Decorator's exponential advantage — n independent embellishments require up to 2^n inheritance subclasses but only n+1 composition classes) and is structurally demonstrated across three design scales (object relationships via abstract coupling, recursive data structures via Composite+Flyweight, system architecture via framework composition), providing strong evidence that composition serves as a primary reuse mechanism operating across multiple levels of system organization.","truth_value":"OUT","justification_count":1,"dependent_count":0,"challenges":[],"last_reviewed":"2026-06-17T20:39:50+00:00","review_result":"pass","source_type":"derived"},{"id":"composition-superiority-for-reuse","text":"Object composition is the superior reuse mechanism in OO design because inheritance breaks encapsulation, is fixed at compile-time, and composition achieves the same power through delegation while preserving run-time flexibility.","truth_value":"IN","justification_count":1,"dependent_count":8,"challenges":[],"last_reviewed":"2026-06-18T06:15:08+00:00","review_result":"unnecessary","source_type":"derived"},{"id":"convergent-evolution-toward-composition","text":"Creational patterns' independent evolution from inheritance to composition (Factory Method subclassing → Abstract Factory delegation → Prototype cloning) parallels OCP's historical evolution from Meyer's inheritance-based version to the polymorphic abstraction-based version, constituting convergent evidence across orthogonal GoF categories — both the \"what to create\" and \"how to extend\" concerns independently migrated toward composition.","truth_value":"IN","justification_count":1,"dependent_count":1,"challenges":[],"last_reviewed":"2026-06-18T06:15:08+00:00","review_result":"pass","source_type":"derived"}],"count":109,"limit":20,"offset":0}