{"id":"halves-alike-case-insensitive-via-prebuilt-set","text":"The halves-alike solution handles mixed-case vowel matching by storing all 10 case variants (`\"aeiouAEIOU\"`) in a set, avoiding a `.lower()` call on the input string.","truth_value":"IN","source":"entries/2026/06/06/determine-if-string-halves-are-alike-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"halves-alike-case-insensitive-via-prebuilt-set","truth_value":"IN","reason":"premise"}]}}