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Check awaiting-mathlib label

feat: add a lemma relating `minKey?` and `min?` for `DTreeMap` #18223

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feat: add a lemma relating `minKey?` and `min?` for `DTreeMap`

feat: add a lemma relating `minKey?` and `min?` for `DTreeMap` #18223

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Summary
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- check-awaiting-mathlib
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- Usage
- Workflow file

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check-awaiting-mathlib

check-awaiting-mathlib

succeeded Dec 8, 2025 in 2s

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