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Why does the Gemara (גמרא) use the term 'neeman l'osro alav' rather than simply 'asur alav'? The term 'neeman' suggests a chiddush in credibility rather than objective truth. The shiur explores whether shavya nafsheh chaticheh d'isur creates subjective believability or establishes objective facts.
This shiur examines Masechta Kesubos focusing on the principle of 'neeman l'osro alav' and its relationship to shavya nafsheh chaticheh d'isur. Rabbi Zweig analyzes why the Gemara (גמרא) uses language of credibility ('neeman') rather than simply stating 'asur alav,' questioning whether this indicates a fundamental distinction in how shavya nafsheh operates. The discussion centers on Rab Elazar's statement about 'Pesach (פסח) Pasuach matzasi' - finding her already violated. The Gemara's use of 'neeman l'osro alav' raises the question of whether we're dealing with objective truth or subjective believability. Rabbi Zweig explores two possible interpretations: either the chiddush lies in extending shavya nafsheh to cases where the person lacks expert knowledge, or the chiddush is in overcoming the woman's chazakah despite the safek.
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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."
Why does the Gemara praise hospitality to scholars as a unique mitzvah rather than ordinary hachnasas orchim? The shiur distinguishes two mitzvahs: hachnasas orchim (providing for those in need) and connecting to talmidei chachamim (cleaving to God through scholars). Yisro's meal for the Jewish leaders wasn't charity—it was his way of bonding with those transformed by Torah, teaching that learning must fundamentally change who we are.
Kesubos 121b
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