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Preprint · arXiv · 06 Jan 2026 · Computer science · Not signed on Papex

130k Lines of Formal Topology in Two Weeks: Simple and Cheap Autoformalization for Everyone?

Josef Urban

AI use, as the source states it

“The LLM is now instantiated as ChatGPT (mostly 5.2) or Claude Sonnet (4.5) run through the respective Codex or Claude Code command line interfaces.”

Model: ChatGPT, Claude Sonnet, as stated

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