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Can a minor convert (ger katan) reject his conversion upon reaching maturity? The Rambam (רמב"ם) distinguishes between gerus (Jewish nationality) imposed by beit din and ger tzedek (religious membership) requiring personal acceptance. This explains why even after rejection, one remains halachically Jewish for certain purposes.
This shiur analyzes a complex sugya in Kesubos 11a regarding ger katan madil (a minor convert who rejects his conversion upon reaching majority). The Gemara (גמרא) states that such rejection is valid based on the principle of zachin l'adam shelo befanav (we may act for someone's benefit without their presence). Rabbi Zweig explores fundamental questions about the nature of conversion and the Rambam (רמב"ם)'s seemingly contradictory rulings. The central issue is the Rambam's position in Hilchos Issurei Biah that a ger katon can reject his conversion (higdil yachol limchos), yet in Hilchos Melachim he states that such a person becomes a ger toshav. This appears problematic since a ger toshav must accept the seven Noahide laws, but where did this person accept them?
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Kesubos 11a
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