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Verso

Verso is Verso — Written in Lean, checked by Lean. It is ranked #8308 on the Dev Radar, in Other, first seen 28 days ago and shared in 1 post (35 views).

Visit verso.lean-lang.org

Verso — Written in Lean, checked by Lean Verso Verso Written in Lean. Checked by Lean. Verso is a platform for writing documents, books, course materials, and websites with Lean . Every code example is type-checked. Every rendered page is interactive. And it's all built on the tools you already use. Get Started User Manual The type of all predicates over a type is that type's _powerset_ . Elements of one of these subsets satisfy the predicate: ``` lean def Set (α : Type u) : Type u := α → Prop instance : Membership α (Set α) where mem xs x := xs x ``` A function Verso: Verso — Written in Lean, checked by Lean | Dev Radar

f` is surjective if each element of the range is covered by an element of the…

Alternatives to Verso

Verso in numbers

FAQ

What is Verso?

Verso — Written in Lean, checked by Lean It was first shared on X 28 days ago and is ranked #8308 on the Dev Radar.

Is Verso free?

Pricing is not stated on the page we read.

Who shared Verso?

1 account on X, including @jreuben1, in 1 post totalling 35 views.

Every post is read and classified by AGK Intelligence: what it is, which market it belongs to, and whether the link is a real tool. 31.2k posts from 5k X accounts over the last 21 days, 8.8k tools, 12 markets. New posts are collected several times an hour and the full ranking is recomputed every hour — last update 2026-10-30 20:27 UTC. Full method.