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Why does Tosafos (תוספות) permit extra Shabbos (שבת) desecration to perform bris milah faster, but elsewhere advocate waiting to avoid unnecessary violations? The shiur resolves this contradiction by distinguishing between mitzvos that already override Shabbos versus those that don't, showing that chaviva mitzvah (מצוה) b'shaita applies differently in each category.
This shiur presents a detailed analysis of Tosafos (תוספות) on daf 130a regarding the permissibility of Shabbos (שבת) desecration when performing mitzvos. The central question revolves around two seemingly contradictory positions in Tosafos: one answer permits desecrating Shabbos to perform a mitzvah (מצוה) more quickly (such as carrying a knife for bris milah rather than carrying the child), while another answer suggests avoiding additional Shabbos desecration when possible. Rabbi Zweig examines the principle of 'chaviva mitzvah b'shaita' - that it's precious to perform a mitzvah at its earliest possible time - as cited from Gemara (גמרא) Menachos regarding the burning of sacrificial parts. The discussion includes practical applications, such as whether one should wait until after Shabbos to avoid desecration or perform the mitzvah immediately despite the prohibition involved. The analysis extends to comparative cases in Yevamos regarding burning leftover Pesach (פסח) offerings on Yom Tov, where Tosafos suggests waiting until the next day to avoid desecration. Rabbi Zweig explores various resolutions to this apparent contradiction, including the possibility that different types of mitzvos warrant different approaches, the concept of 'shekavar docheh es haShabbos' (since Shabbos was already pushed aside), and whether the urgency of bris milah creates a special category. The shiur also examines whether the ruling applies only in cases of immediate necessity versus planned scheduling, and discusses the broader halachic principle of minimizing prohibited actions when alternatives exist.
Shabbos 130a
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