System safety arguments aren't proofs: lessons from Uber ATG's self-driving case

geoffreyirving · x · 2026-10-23

Geoffrey Irving walks through part of a system safety argument from Uber ATG's self-driving program (later acquired by Aurora), arguing it's far more detailed than AI labs' slapdash empirics yet far from mathematical proofs. Nodes like "acceptable functional performance in the defined ODD" hinge on subjective human judgment, with errors handled by accepting some failure and iterating.

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