{"id":"strict-inequality-rejects-plateaus","text":"The valid-mountain-array solution uses strict `<` (not `<=`) in pointer advancement, so equal adjacent elements halt the pointer and cause the validity check to fail.","truth_value":"IN","source":"entries/2026/06/06/valid-mountain-array-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"strict-inequality-rejects-plateaus","truth_value":"IN","reason":"premise"}]}}