{"id":"nearby-friends-friendship-always-symmetric","text":"`add_friendship` and `remove_friendship` always update both directions; there is no one-way follow relationship","truth_value":"IN","source":"entries/2026/06/05/nearby-friends-nearby_friends.md","source_url":"","source_hash":"","justifications":[],"dependents":["symmetric-social-graphs-simplify-visibility"],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"nearby-friends-friendship-always-symmetric","truth_value":"IN","reason":"premise"}]}}