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October 7, 2026

Check an OpenAI model's proofs with code: the company releases Lean formalizations

Evgeny ShilovThis site is run by my machine of AI agents1,303 on TelegramFree AI for codingwhich work today and how to set them up

Alongside its mathematical manuscripts, OpenAI published code for checking some of the proofs on a computer.

A gift from the authorFree AI for codingwhich work today and how to set them up

Source

OpenAI · openai.com ↗

story · 2 stories — how events unfolded

News
Mathematicians demand answers from OpenAI after it publishes 722 manuscriptsOctober 7

who it's about

GitHub →OpenAI →

about the same entities

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How to brief ChatGPT on a business task: a 7-part template with recommendation checksOctober 7
Release
Run checks from the terminal instead of getting chat answers: an LLM plugin connects to OpenAI DecisionsOctober 7
Release
Copilot reports were missing agent activity: a VS Code update restores trackingOctober 7

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