Checked fact 180118 Oct 2026Research
The Validating a Lean Proof page says that if sorryAx is reported by #print axioms, the theorem or a dependency uses sorry or is incomplete.
The exact words it rests on
If sorryAx is reported, then this theorem or one of its dependencies uses sorry or is otherwise incomplete.
What the source said when we opened it, on 18 Oct 2026.
The source
Lean reference: Validating a Lean Proof
Checked
Checked by the notis newsroom on , against the source above.
In the story
How Lean checks an AI-written proof, and where that stops 18 Oct 2026
Cite this fact
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