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What distinguishes the av of adam from its toldos? The shiur contrasts the Rambam (רמב"ם)'s view that the Mishna's adam refers to volitional acts (Perek Alef)—carrying isur, immediate chiyuv, and shivud mechaseir—with the Rif's position that the Mishna discusses only responsibility for nezek (Perek Vav). The analysis explores how kocho v'niro, yosher, and other toldos fit into these competing frameworks.
This shiur analyzes Bava Kamma 3b, focusing on the fundamental distinction between avos and toldos in the context of adam hamazik (human damages). The central question is: what is the defining characteristic of the av of adam mentioned in the Mishna, and how do the various toldos relate to it? Rabbi Zweig presents two major approaches, represented by the Rambam (רמב"ם) and the Rif. According to the Rambam, the av of adam in the Mishna refers to Perek Alef—a volitional act of damage. This means adam hamazik involves intentional action where a person decides to do something harmful. All toldos of this av must share this characteristic of being "harei zeh k'mazik b'yado" (it is as if he damaged with his hand). The Rambam's approach carries several halachic implications: there is an isur (prohibition) involved, there is shivud mechaseir (immediate liability), and the person is liable immediately upon performing the action, not just when damage occurs.
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Bava Kamma 3b
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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.
