{"id":"multi-leader-tombstone-delete","text":"Deletes are implemented as tombstone writes (`_TOMBSTONE` sentinel with `is_tombstone=True`) that replicate like normal mutations; `get()` returns `None` for tombstoned keys","truth_value":"IN","source":"entries/2026/05/29/multi-leader-replication-multi_leader.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{"example":"def delete(self, key):\n    ts = self._tick()\n    self._store[key] = (_TOMBSTONE, ts, self.node_id, True)"},"explanation":{"steps":[{"node":"multi-leader-tombstone-delete","truth_value":"IN","reason":"premise"}]}}