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What qualifies as a toldah—offshoot—of the primary categories of damage? The Gemara (גמרא) on Bava Kamma 2b explores whether toldos are defined by sharing the same halachic principle (ki yotza bo) or by the same action/limb. This foundational question shapes how we understand muad l'adam vs. muad l'behemah and leads to intricate analysis of Rashi (רש"י), the Rif, and Tosafos (תוספות).
Rabbi Zweig delivers an in-depth analysis of a fundamental sugya in Bava Kamma 2b, focusing on the definition of toldos (derivative categories) in hilchos nezikin (damage law). The shiur addresses the Gemara (גמרא)'s core inquiry: Are toldos defined as actions that share the same underlying halachic principle as the av (primary category), making them "ki yotza bo hen" (literally derived from it), or are they defined by being performed by the same limb or in the same manner, even if the principle differs? The Gemara discusses the terms "negichah" (goring of a person by an animal) and "negifah" (goring of an animal by an animal). The Mishna's statement "atzai hashema hen" suggests that certain subcategories derive their status from the primary category. Rashi (רש"י) presents two interpretations: First, that negichah involves greater force and intention because a person has da'as (awareness) to protect himself, requiring the animal to act with more deliberate harm. Second, that negichah requires deeper penetration of the horn along with force and intention, making it harder to kill a person than an animal.
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Bava Kamma 2b
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