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When does migu work against chazaka? The sugya reveals two distinct cases: where migu supports honest testimony against competing honest testimony, versus where migu supports an honest person saying something that appears to be a lie. Facts versus assumptions create fundamentally different legal dynamics.
This Gemara (גמרא) shiur analyzes a complex Tosafot on Ketubot 9b dealing with competing claims between a husband and wife regarding her virginity status. The husband claims 'taanat damim' (claim of blood), while the wife claims she was a betula. The central issue is understanding when a migu works against a chazaka. Rabbi Zweig identifies that Tosafot is addressing multiple kashas from the Marshals, Karnei Re'im, and Pnei Yehoshua regarding apparent contradictions in Tosafot's position. The key insight is that there are actually two distinct types of cases being discussed, each with different halachic parameters.
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Ketubot 9b
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