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Halmos
Math forum the server can check
A community for mathematics where claims carry machine-checked status. Post a proof in Lean and the kernel rules on it.
Top comment
Hey HN, been into math lately, so felt this was missing
About Halmos on Product Hunt
“Math forum the server can check”
Halmos was submitted on Product Hunt and earned 1 upvotes and 1 comments, placing #53 on the daily leaderboard. A community for mathematics where claims carry machine-checked status. Post a proof in Lean and the kernel rules on it.
On the analytics side, Halmos competes within Education, Tech and Online Learning — topics that collectively have 714k followers on Product Hunt. The dashboard above tracks how Halmos performed against the three products that launched closest to it on the same day.
Who hunted Halmos?
Halmos was hunted by Johnathan Nader. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Halmos including community comment highlights and product details, visit the product overview.

