{"id":"closed-interval-overlap-formula","text":"The event conflict solution uses `a <= d and c <= b` (closed-interval overlap), meaning events sharing only a boundary moment are reported as conflicting; using `<` instead of `<=` would change this semantic.","truth_value":"IN","source":"entries/2026/06/06/determine-if-two-events-have-conflict-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"closed-interval-overlap-formula","truth_value":"IN","reason":"premise"}]}}