{"id":"empty-predicate-match-still-locks","text":"A predicate that matches zero keys still appends a predicate lock to `tx._predicate_locks`, enabling phantom detection if a concurrent transaction later inserts a key that would match","truth_value":"IN","source":"entries/2026/05/29/write-skew-detection-ssi_database-read_predicate.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"empty-predicate-match-still-locks","truth_value":"IN","reason":"premise"}]}}