Checked fact 180718 Oct 2026Research

The Validating a Lean Proof page says the basic check is meaningful if one believes the formal theorem statement corresponds to its intended informal meaning and trusts the authors of the imported libraries to be honest.

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This check is meaningful if one believes the formal theorem statement corresponds to its intended informal meanings and trusts the authors of the imported libraries to be honest

What the source said when we opened it, on 18 Oct 2026.

The source

Lean reference: Validating a Lean Proof
Lean FRO / Lean project

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Checked

Checked by the notis newsroom on 18 Oct 2026, against the source above.

In the story

How Lean checks an AI-written proof, and where that stops 18 Oct 2026

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“The Validating a Lean Proof page says the basic check is meaningful if one believes the formal theorem statement corresponds to its intended informal meaning and trusts the authors of the imported libraries to be honest.” ai notis, checked 18 Oct 2026. Source: Lean reference: Validating a Lean Proof (Lean FRO / Lean project). https://ainotis.com/c/1807

As a reference (APA style)

ai notis. (2026, October 18). The Validating a Lean Proof page says the basic check is meaningful if one believes the formal theorem statement corresponds to its intended informal meaning and trusts the authors of the imported libraries to be honest [Checked claim 1807]. ai notis. https://ainotis.com/c/1807

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