If users demand specs in Python, how do you bridge the formalization gap?

ezyang · x · 2026-11-09

ezyang jokes that Python survives because humans like it — but it's a serious problem for formal verification: if your users demand specs written in Python, how exactly do you bridge the formalization gap between a loose scripting language and formal semantics?

Related event: Anthropic's assembly-level formal verification with Claude draws ezyang's TCB questions(6 posts)→

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