Lean

6 statements across 1 episodes · 2 bullish · 0 bearish · 1 people on the record · first statement Feb 26, 2026 by Corinna Hong · said 38 times in 2 episodes since 2026 · across every show →

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brought up most by Corinna Hong (22), Matt Turck (14), Dan Roberts (2)

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2026 38 mentions in 2 episodes 19 per episode

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Everything said about Lean, oldest first

Feb 26, 2026
Assertion Not checkable as stated
Translating formal Lean code into English is easier than auto-formalization
“There's also auto-informalization, which is kind of translate back, I mean, from Lean to English. That's easier than auto-formalization, because most of the machines' AI have seen a lot more English than Lean.”
Corinna Hong Feb 26, 2026 ▶ 15:55 AI That Can Prove It’s Right: Verification as the Missing Layer in AI — Carina Hong
Feb 26, 2026
Assertion Contradicted
The open-source Lean dataset contains only tens of millions of tokens
“It's only two-digit million number of tokens out there in the open, open world.”
Corinna Hong Feb 26, 2026 ▶ 28:35 AI That Can Prove It’s Right: Verification as the Missing Layer in AI — Carina Hong
Feb 26, 2026 bullish
Disclosure
Axiom Math will release its Lean tools on a public API
“We are actually gonna release them on a public, like, API on these, all these dozen of pools. Very, very soon. Beginning of March.”
Corinna Hong Feb 26, 2026 ▶ 36:40 AI That Can Prove It’s Right: Verification as the Missing Layer in AI — Carina Hong
Feb 26, 2026 positive
Assertion Not checkable as stated
Almost all younger-generation mathematicians accept Lean as a formal proof verifier
“Almost all of the new school of mathematicians are accepting Lean.”
Corinna Hong Feb 26, 2026 ▶ 56:42 AI That Can Prove It’s Right: Verification as the Missing Layer in AI — Carina Hong
Feb 26, 2026 neutral
Insight
Lean-based AI provers favor mechanistic arguments over clever human-style solutions
“Because it is a, you know, lean based system, it is really good at sort of routine bookkeeping, and it will actually choose a lot of the more mechanistic, you know, arguments over the ones that require like a clever, say one picture solution.”
Corinna Hong Feb 26, 2026 ▶ 8:30 AI That Can Prove It’s Right: Verification as the Missing Layer in AI — Carina Hong
Feb 26, 2026 neutral
Insight
The Lean theorem prover language is closer to Rust than to English
“I think the sort of gap between, say, for example, Lean and another, like, strongly typed language like Rust is a lot closer than the gap between Lean and English.”
Corinna Hong Feb 26, 2026 ▶ 22:58 AI That Can Prove It’s Right: Verification as the Missing Layer in AI — Carina Hong
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