Lexicon · term

Structural safety

Safety that is a property of the system’s shape: the unsafe action is not permitted-and-blocked but absent. A bridge holds when a cable snaps because of its shape, not because cables are forbidden to snap.

Used in

Structural, not behavioral

Safety that asks for good behavior fails when it matters most

Introduced here.
Two classifiers, two truths

When two surfaces decide the same fact independently, a system holds both answers and notices neither

Used in

Structural, not behavioral

Two classifiers, two truths