{"id":"known-uses-validates-empirical-formalization","text":"The GoF's requirement that each pattern must demonstrate at least two real-system examples from different domains completes the formalization heritage inherited from Alexander: where Alexander's architectural concept required observing recurring solutions in existing buildings, the GoF operationalizes this empiricism as a minimum cross-domain evidence threshold, ensuring that documented patterns have been independently discovered rather than theoretically constructed.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["pattern-formalization-heritage","gof-known-uses-two-domains-minimum"],"outlist":[],"label":"Two-domain evidence requirement operationalizes Alexander's empirical principle"}],"dependents":["formalization-grounds-expert-methodology","formalization-heritage-enables-both-empirical-validation-and-systematic-methodology"],"metadata":{"source_type":"derived","review_result":"invalid"},"created_at":"2026-06-17T23:28:17+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":"known-uses-validates-empirical-formalization","truth_value":"IN","reason":"SL justification valid","antecedents":["pattern-formalization-heritage","gof-known-uses-two-domains-minimum"],"label":"Two-domain evidence requirement operationalizes Alexander's empirical principle"},{"node":"pattern-formalization-heritage","truth_value":"IN","reason":"SL justification valid","antecedents":["design-patterns-originated-from-christopher-alexander","gof-pattern-four-essential-elements","gof-design-pattern-template-sections"],"label":"Each formalization step increased precision — from analogy, to essential structure, to systematic documentation template"},{"node":"design-patterns-originated-from-christopher-alexander","truth_value":"IN","reason":"premise"},{"node":"gof-pattern-four-essential-elements","truth_value":"IN","reason":"premise"},{"node":"gof-design-pattern-template-sections","truth_value":"IN","reason":"premise"},{"node":"gof-known-uses-two-domains-minimum","truth_value":"IN","reason":"premise"}]}}