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Is the law of shen v'ayin (tooth and eye) that frees a slave actually a mode of freedom, or is it a form of payment? The shiur develops the position that shen v'ayin represents a unique payment obligation—one that the Torah (תורה) defines as granting freedom—which explains why you must pay for a second injury. This understanding avoids the Rashba's requirement that freedom works retroactively (l'mafreia).
This shiur analyzes the Gemara (גמרא) on Bava Kamma 64a, focusing on the fundamental nature of the law of shen v'ayin (tooth and eye) that frees a Jewish slave. The central question is whether knocking out a slave's tooth or eye is simply a mechanism of freedom (yetzi'a) or whether it constitutes a payment obligation whose fulfillment is granting freedom. The Gemara presents a case where a master knocks out both the tooth and eye of his slave. The initial assumption (havmina) is that the slave goes free for the first injury but the master doesn't pay for the second, since at the time of the second injury the slave was still an eved (slave) and hadn't yet been brought to beis din. The Gemara rejects this, citing the verse "tachas eino" which teaches that you pay for each injury separately, not both together (tachas eino v'shino).
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Bava Kamma 64a
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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.
