Brown PLT: Human Judgment Can Serve as the Specification When Using LLMs with Formal Methods

ezyang · x · 2026-11-10

In a discussion with ezyang, Shriram Krishnamurthi points to a new Brown PLT blog post, Human Judgment as a Specification. His argument: when wiring LLM outputs into formal methods, users don't need to read the formal language themselves — human judgment about program behavior can act as the specification, with tooling translating it into checkable constraints. It's a problem that can be meaningfully advanced right now, and part of Brown PLT's ongoing line of work on combining LLMs with lightweight formal methods.

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