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leanprover / lean4 Public

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refactor: structural recursion: prove `.eq_def` directly #18360

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refactor: structural recursion: prove `.eq_def` directly

refactor: structural recursion: prove `.eq_def` directly #18360

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Summary
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- check-lean-files
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- Usage
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check-lean-files

check-lean-files

succeeded Sep 30, 2025 in 34s

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