{"id":"orset-tombstone-required-for-merge-correctness","text":"Dropping ORSet tombstones would cause removed elements to reappear when merging with a replica that still holds the element's active tags — the tombstone set in `merge()` at line 165 suppresses stale tags via set difference","truth_value":"IN","source":"entries/2026/05/29/topic-or-set-tombstone-growth.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"orset-tombstone-required-for-merge-correctness","truth_value":"IN","reason":"premise"}]}}