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leanprover / lean4 Public

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Check PR title for commit convention

feat: add lemmas relating `insert`/`insertIfNew` and `toList` on `DTreeMap`/`DHashMap`-derived containers #33693

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feat: add lemmas relating `insert`/`insertIfNew` and `toList` on `DTreeMap`/`DHashMap`-derived containers

feat: add lemmas relating `insert`/`insertIfNew` and `toList` on `DTreeMap`/`DHashMap`-derived containers #33693

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succeeded Dec 9, 2025 in 4s

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