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leanprover-community / mathlib4 Public

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Back to pull request #36584

[Merged by Bors] - feat: lemmas on ordinal `Nat.cast` #23902

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

[Merged by Bors] - feat: lemmas on ordinal `Nat.cast` #23902

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