{"id":"xor-accumulator-identity-zero","text":"The XOR operation solution initializes its accumulator to `0` because `0` is the identity element for XOR (`x ^ 0 = x`), following the standard reduce-over-XOR idiom.","truth_value":"IN","source":"entries/2026/06/06/xor-operation-in-an-array-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"xor-accumulator-identity-zero","truth_value":"IN","reason":"premise"}]}}