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When two people share the labor of hotza'ah on Shabbos (שבת), who bears Torah (תורה)-level liability? The shiur develops Tosafos (תוספות)'s approach that true shutafut requires mutual intent and deliberate coordination. Without prior agreement to divide the work, only whoever performs the actual transfer violates d'Oraisa law.
This shiur provides a detailed analysis of Masechta Shabbos (שבת) 3a, examining the complex laws of hotza'ah (carrying) on Shabbos when performed by multiple people. Rabbi Zweig begins by discussing Rashi (רש"י)'s position that hanachah (placing down) and akirah (picking up) have different levels of liability - some are considered complete transgressions requiring a korban chatas, while others are not. The focus then shifts to Tosafos (תוספות)'s challenging interpretation of when shared labor (abed malacha binayhu) creates liability. Tosafos argues that the primary prohibition is on whoever performs the hotza'ah (the actual transfer), making this a Torah (תורה)-level transgression (d'Oraisa), while other participants are only liable rabbinically (d'Rabanan). The Gemara (גמרא) asks why there isn't a chatas obligation in cases of shared labor, leading to a discussion of when multiple people working together create complete versus partial transgressions. Rabbi Zweig explores the Rambam (רמב"ם)'s concept of shutafut (partnership) in performing melachah, distinguishing between cases where people deliberately work together versus situations where one person's action inadvertently assists another's. He suggests that true shutafut requires mutual intent - both parties wanting the same outcome and deliberately dividing the labor. The shiur examines various scenarios: when someone extends their hand with an object and another person takes it, whether this constitutes shared transgression depends on whether there was prior agreement to work together. Without such agreement, only the person who performs the hotza'ah violates Torah law. Rabbi Zweig reconciles apparent contradictions in Tosafos by suggesting that the Mishna's 'shtayim shehem arba' (two that are four) refers to cases where individuals perform incomplete acts (like hotza'ah without hanachah) that still constitute rabbinic violations, rather than cases of shared labor. The distinction between chatzi melachah (half a transgression) and complete melachah performed in partnership becomes crucial to understanding when liability attaches.
Shabbos 3a
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