{"id":"bloom-filter-union-requires-identical-params","text":"`BloomFilter.union()` raises `ValueError` if the two filters differ in bit array size (m) or hash count (k), since bitwise OR is only meaningful when bit positions map to the same hash space.","truth_value":"IN","source":"entries/2026/05/29/bloom-filter-bloom_filter-BloomFilter.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"bloom-filter-union-requires-identical-params","truth_value":"IN","reason":"premise"}]}}