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How can a minor convert to Judaism when he lacks the capacity to make such a momentous decision? The shiur analyzes whether conversion is purely beneficial or involves disadvantage, developing the principle that the father's ownership rights enable him to accept the negative aspects while beis din provides beneficial zechia for the child.
This shiur explores one of the most complex sugyos in Kesubos 11a regarding ger katon (minor converts). The fundamental question addressed is how Jewish law permits converting a minor who lacks the mental capacity to understand the significance of such a decision. The Gemara (גמרא) states "ger katon avdo naas beis din" - a minor convert is converted through beis din's agency. Rashi (רש"י) explains that this halacha (הלכה) applies specifically when the child has no father (im ein lo av). When a father is present, the conversion works through different mechanisms. This raises difficult questions: what difference does the father's presence make, and why wouldn't the same logic apply to the mother who is typically closer to the child?
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Kesubos 11a
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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.