{"id":"symmetric-social-graphs-simplify-visibility","text":"Both chat contacts and nearby-friends enforce bidirectional relationships with no one-way follow mechanism, trading social model expressiveness for simpler visibility logic — if A sees B, B always sees A.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["chat-contacts-always-bidirectional","nearby-friends-friendship-always-symmetric"],"outlist":[],"label":"Symmetric graphs eliminate directional visibility checks but prevent asymmetric social models"}],"dependents":["social-systems-combine-symmetric-graphs-and-lightweight-fanout","symmetry-simplifies-across-graph-domains"],"metadata":{"last_reviewed":"2026-06-06T06:26:57","review_result":"pass"},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"symmetric-social-graphs-simplify-visibility","truth_value":"IN","reason":"SL justification valid","antecedents":["chat-contacts-always-bidirectional","nearby-friends-friendship-always-symmetric"],"label":"Symmetric graphs eliminate directional visibility checks but prevent asymmetric social models"},{"node":"chat-contacts-always-bidirectional","truth_value":"IN","reason":"premise"},{"node":"nearby-friends-friendship-always-symmetric","truth_value":"IN","reason":"premise"}]}}