{"id":"enumerate-and-filter-over-generate","text":"The finding-3-digit-even-numbers solution iterates the answer space (450 even 3-digit numbers) rather than generating permutations from input, avoiding combinatorial explosion and deduplication.","truth_value":"IN","source":"entries/2026/06/06/finding-3-digit-even-numbers-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"enumerate-and-filter-over-generate","truth_value":"IN","reason":"premise"}]}}