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Why did Rava refuse to accept back his stolen rams, even though he held that stolen items should be returned? The analysis reveals that Rava deferred to Rav's opposing view out of respect, but this creates questions about heavenly obligations versus court obligations. The shiur uses this to clarify when tefeisa (seizure) works in Kim Li D'Rabbanan cases.
The shiur analyzes a Gemara (גמרא) in Sanhedrin 72a about Rava, who had rams stolen from him through a tunnel (machteresh). When the thief wanted to return them, Rava refused to accept them back, even though he held that stolen items should be returned. This created a puzzle: why didn't Rava take advantage of the principles that would allow him to keep the items? The Gemara explains that Rava's refusal was based on his deference to Rav's opinion that stolen items belong to the thief (Adam Kanu). Even though Rava disagreed with this position, he chose to act according to Rav's view out of respect. Tosafot raises a critical question: even if there's a dispute about human court obligations (dinei adam), shouldn't there still be an obligation from Heaven (chov d'Shamayim) that would justify Rava's acceptance?
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Sanhedrin 72a
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Why does the Gemara present a kal v'chomer for chuppah making kiddushin based on kesef not being maichel b'terumah, only to reject it? The shiur reveals that even the rejected kal v'chomer establishes a fundamental yesod: kiddushin is a kinyan for ishus (marital relationship), not merely a kinyan in hilchos kinyanim. The second kal v'chomer—from chuppah being gomeres—raises Tosafos's famous question.
Is the kesef used in kiddushin a true kinyan (acquisition), or merely a symbolic means of establishing marriage? The shiur analyzes multiple interpretations of the Gemara's derivation from ki yikach ki'ach mi'Sayeffron, exploring whether marriage constitutes ownership, and develops three fundamental approaches: (1) The Gemara proves ishus is a kinyan, (2) ishus is not a kinyan but uses kinyan-like means, or (3) ishus is a kinyan but the kesef may not be a ma'aseh kinyan. The Rambam's position—calling kesef "midivrei sofrim"—is explained as distinguishing between cross-referencing concepts versus borrowing terminology.
Why does the Mishna alternate between the language of "kinyan" (acquisition) and "kiddushin" (sanctification) when describing marriage? The shiur develops a fundamental distinction: marriage has two separate aspects—a kinyan dimension (ownership) and a kedusha dimension (sanctified relationship). Either aspect can initiate the bond, and understanding this dual nature resolves multiple textual and halachic questions throughout the sugya.
Does kiddushei shetar require a shevah pruta? The Ran presents two approaches to the Rif's position. The shiur develops the Ran's second pshat that shetar kiddushin functions as a hachnah (exchange) rather than a mere kinyan nesina. This reading has profound implications for isuri hana'ah, mechubar, and the relationship between kesef and shetar.
