{"id":"prototype-eliminates-hierarchy-explosion-via-composition-shift","text":"Prototype's elimination of the parallel Creator class hierarchy required by Factory Method is a specific instance of composition preventing class explosion: Factory Method requires one Creator subclass per Product (inheritance-based, O(n) creator classes), while Prototype replaces this with a registry of cloneable instances (composition-based, O(1) creator infrastructure), recapitulating at the creational level the same explosion prevention that Bridge and Decorator demonstrate at the structural level.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["prototype-eliminates-parallel-creator-hierarchy","dual-proof-composition-prevents-explosion"],"outlist":[],"label":"Prototype's hierarchy elimination is a third independent instance of composition preventing class explosion"}],"dependents":["prototype-factory-method-creational-coupling-tradeoff-with-explosion-consequences"],"metadata":{"source_type":"derived","review_result":"pass"},"created_at":"2026-06-18T01:54:09+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":"prototype-eliminates-hierarchy-explosion-via-composition-shift","truth_value":"IN","reason":"SL justification valid","antecedents":["prototype-eliminates-parallel-creator-hierarchy","dual-proof-composition-prevents-explosion"],"label":"Prototype's hierarchy elimination is a third independent instance of composition preventing class explosion"},{"node":"prototype-eliminates-parallel-creator-hierarchy","truth_value":"IN","reason":"premise"},{"node":"dual-proof-composition-prevents-explosion","truth_value":"IN","reason":"SL justification valid","antecedents":["decorator-proves-composition-scalability","bridge-eliminates-class-explosion"],"label":"Two independent quantitative proofs of composition's advantage across different GoF categories"},{"node":"decorator-proves-composition-scalability","truth_value":"IN","reason":"SL justification valid","antecedents":["decorator-avoids-inheritance-explosion","composition-superiority-for-reuse"],"label":"Decorator's avoidance of class explosion quantifies composition's advantage as exponential, not just qualitative"},{"node":"decorator-avoids-inheritance-explosion","truth_value":"IN","reason":"premise"},{"node":"composition-superiority-for-reuse","truth_value":"IN","reason":"SL justification valid","antecedents":["favor-composition-over-inheritance","inheritance-breaks-encapsulation","inheritance-compile-time-composition-run-time","delegation-composition-as-powerful-as-inheritance"],"label":"Four independent arguments converge on composition's superiority over inheritance"},{"node":"favor-composition-over-inheritance","truth_value":"IN","reason":"premise"},{"node":"inheritance-breaks-encapsulation","truth_value":"IN","reason":"premise"},{"node":"inheritance-compile-time-composition-run-time","truth_value":"IN","reason":"premise"},{"node":"delegation-composition-as-powerful-as-inheritance","truth_value":"IN","reason":"premise"},{"node":"bridge-eliminates-class-explosion","truth_value":"IN","reason":"premise"}]}}