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Why do we say "al bi'ur chametz" rather than "l'vaer chametz" when searching for chametz before Pesach (פסח)? The shiur develops the machlokes between Rav Papi and Rav Papa as reflecting whether blessings focus on the ma'aseh mitzvah (מצוה) or on accomplishing the goal. This Talmudic principle explains the Rambam (רמב"ם)'s consistent rulings across chametz, milah, and shechitah.
This advanced Talmudic analysis explores a fundamental dispute in Pesachim 7a-b between Rav Papi and Rav Papa concerning the proper formulation of blessings on mitzvos. The core issue revolves around whether one should say "l'vaer chametz" (to remove chametz) or "al bi'ur chametz" (on the removal of chametz) when performing the pre-Pesach (פסח) search for chametz. Rabbi Zweig presents a novel interpretation that differs significantly from traditional commentaries like Rashi (רש"י) and Tosafot. The shiur establishes that this dispute reflects a deeper philosophical question about the nature of blessings on mitzvos. Rav Papi holds that blessings should focus on the ma'aseh mitzvah (מצוה) (the action of the mitzvah) using the language "l'" (to do), while Rav Papa maintains that blessings should focus on the accomplishment or end goal using "al" (on/regarding). This distinction becomes crucial when analyzing various mitzvos where the obligation may not be on the specific action but rather on achieving a particular result.
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Why does halacha forbid entering dangerous places if everything happens by Divine decree? The shiur examines the debate between Rashi and Tosfos on traveling at night, developing a fundamental distinction: Rashi holds one must avoid even deserved punishments that Hashem delays through mercy, while Tosfos holds the prohibition addresses self-inflicted harm through free will. This framework reveals how people rationalize self-destructive behavior as "hashgacha."
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Pesachim 7a-b
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