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leanprover / lean4 Public

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feat: tree map lemmas about empty, isEmpty, insert, contains #8905

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feat: tree map lemmas about empty, isEmpty, insert, contains

feat: tree map lemmas about empty, isEmpty, insert, contains #8905

Summary
Jobs
- check-lean-files
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- Usage
- Workflow file

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Job	Run time
check-lean-files	32s
	32s

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