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Back to pull request #36584

[Merged by Bors] - feat: lemmas on ordinal `Nat.cast` #224717

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[Merged by Bors] - feat: lemmas on ordinal `Nat.cast`

[Merged by Bors] - feat: lemmas on ordinal `Nat.cast` #224717

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succeeded Apr 2, 2026 in 5s

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