{"id":"exact-consumption-invariant","text":"`validWordAbbreviation` returns `True` only when both pointers `i` and `j` reach exactly the end of `word` and `abbr` respectively; partial consumption of either string is always `False`.","truth_value":"IN","source":"entries/2026/06/06/valid-word-abbreviation-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"exact-consumption-invariant","truth_value":"IN","reason":"premise"}]}}