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leanprover / lean4 Public

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Back to pull request #14114

refactor: give the `⦃ … ⦄` notation a single exceptional-postcondition slot #20276

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refactor: give the `⦃ … ⦄` notation a single exceptional-postcondition slot

refactor: give the `⦃ … ⦄` notation a single exceptional-postcondition slot #20276

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