GPT-5.6 Proves Convex Optimization Theorem in Lean
Charuru · reddit · 2026-07-18
Following OpenAI's CDC proof announcement, a Reddit post reveals that GPT-5.6 successfully tackled a convex optimization problem using similar prompts. It filled a 30-year-old gap, with the results successfully verified in Lean.
The core message is that the model goes beyond generating plausible mathematical derivations; it can pass verification in formal proof systems, marking another significant step forward in mathematical reasoning and theorem proving.
Related event: GPT-5.6 Solves Decades-Old Math Problems, Boosting Proof Capabilities(10 posts)→
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