{"id":"lexi-mvc-progressive-composition-validation","text":"MVC and Lexi provide progressive empirical validation of pattern composition at increasing scales: MVC demonstrates that three patterns (Observer, Strategy, Composite) compose into a coherent architectural paradigm, while Lexi demonstrates that eight patterns compose to solve seven distinct design problems in a full application — together they validate that pattern composition scales smoothly from paradigm-level (3 patterns) to application-level (8 patterns) complexity.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["mvc-as-pattern-composition-exemplar","lexi-demonstrates-pattern-composition-at-scale"],"outlist":[],"label":"MVC and Lexi validate pattern composition at progressively increasing scales, from 3-pattern paradigm to 8-pattern application"}],"dependents":["progressive-validation-three-tier-pattern-composition"],"metadata":{"source_type":"derived","review_result":"pass"},"created_at":"2026-06-18T01:19:55+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":"lexi-mvc-progressive-composition-validation","truth_value":"IN","reason":"SL justification valid","antecedents":["mvc-as-pattern-composition-exemplar","lexi-demonstrates-pattern-composition-at-scale"],"label":"MVC and Lexi validate pattern composition at progressively increasing scales, from 3-pattern paradigm to 8-pattern application"},{"node":"mvc-as-pattern-composition-exemplar","truth_value":"IN","reason":"SL justification valid","antecedents":["gof-mvc-uses-observer-composite-strategy","gof-mvc-view-controller-is-strategy-pattern","gof-mvc-three-objects-model-view-controller"],"label":"MVC is a case study in composing three patterns into a coherent architecture"},{"node":"gof-mvc-uses-observer-composite-strategy","truth_value":"IN","reason":"premise"},{"node":"gof-mvc-view-controller-is-strategy-pattern","truth_value":"IN","reason":"premise"},{"node":"gof-mvc-three-objects-model-view-controller","truth_value":"IN","reason":"premise"},{"node":"lexi-demonstrates-pattern-composition-at-scale","truth_value":"IN","reason":"SL justification valid","antecedents":["lexi-eight-patterns","frameworks-contain-multiple-patterns"],"label":"Lexi provides empirical evidence that real applications compose many patterns"},{"node":"lexi-eight-patterns","truth_value":"IN","reason":"premise"},{"node":"frameworks-contain-multiple-patterns","truth_value":"IN","reason":"premise"}]}}