Lean4Lean: Verifying a Typechecker for Lean, in Lean · HackerPapers discussionshttps://hackerpaper.kaipfister.de/p/2403.14064/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMTLean4Lean: Verifying a Typechecker for Lean, in Lean — mentioned by Jblx2https://news.ycombinator.com/item?id=49577393urn:hackerpapers:mention:2403.14064:49577393Sat, 05 Sep 2026 15:18:02 GMT<p>You write your Lean4 type-checker in a way that is amenable to formal proof. And then verify properties of your type-checker. Like Lean4Lean. https://arxiv.org/html/2403.14064v3 https://github.com/digama0/lean4lean/tree/master</p><p><a href="https://hackerpaper.kaipfister.de/p/2403.14064/">Paper and discussion history</a>. A mention is not an endorsement.</p>cs.PLLean4Lean: Verifying a Typechecker for Lean, in Lean — mentioned by digama0https://news.ycombinator.com/item?id=42408480urn:hackerpapers:mention:2403.14064:42408480Fri, 13 Dec 2024 14:02:27 GMT<p>Should I introduce you to https://arxiv.org/abs/2403.14064 ?</p><p><a href="https://hackerpaper.kaipfister.de/p/2403.14064/">Paper and discussion history</a>. A mention is not an endorsement.</p>cs.PL