No community start suggestion yet.
When two people collaborate on a single Shabbos (שבת) violation, who owes a korban? The shiur develops the machloket between Tosafot and the Rash: whether each person must perform a complete melacha independently, or whether having a share in any collective violation creates liability.
This shiur provides an in-depth analysis of the Gemara (גמרא)'s discussion regarding shnayim she'asu - when two people collaborate in performing a single act that violates Shabbos (שבת). The central question examined is under what circumstances each participant becomes liable for a korban (sin offering). The Gemara distinguishes between different scenarios: ze yochol ve'ze yochol (where each person could perform the entire act alone), ze yochol ve'ze eino yochol (where one could do it alone but the other could not), and ze eino yochol ve'ze eino yochol (where neither could perform it alone). Rabbi Zweig explores the fundamental machloket between Tosafot and the Rash regarding the theoretical basis for liability. According to one approach, each person is liable because they performed a complete act of Shabbos desecration. According to the alternative view, liability stems from having a share in the collective Shabbos violation that occurred. The shiur examines how Tosafot in different places (our sugya versus Bava Kamma) appear to take contradictory positions on this issue. The analysis includes discussion of when someone is considered to be 'working for' another person versus performing their own independent act, and how this affects their culpability. The Rash's position is explored, particularly his view that only the eino yochol (the one who cannot perform alone) should be liable in mixed cases, because the yochol is merely assisting rather than performing his own violation. Throughout, the shiur grapples with the conceptual question of whether Shabbos liability requires performing a complete melacha oneself, or whether partial participation in a collective violation suffices for obligation.
Dedicate a Shiur in Gemara
L'ilui nishmas a loved one. In honor of a simcha or yahrzeit. As a zechus for a refuah sheleimah. Your dedication helps carry Rabbi Zweig's Torah to learners around the world.
Up Next in this Series
How can Shabbos observance atone for the idolatry of Enosh's generation? The Rambam's reading shows that generation sought God through physical intermediaries rather than direct connection. Proper Shabbos observance creates authentic divine experience that naturally displaces attraction to spiritual substitutes - like tasting real coffee exposes ersatz as meaningless.
Why does halacha forbid entering dangerous places if everything happens by Divine decree? The shiur examines the debate between Rashi and Tosfos on traveling at night, developing a fundamental distinction: Rashi holds one must avoid even deserved punishments that Hashem delays through mercy, while Tosfos holds the prohibition addresses self-inflicted harm through free will. This framework reveals how people rationalize self-destructive behavior as "hashgacha."
Why does the Gemara praise hospitality to scholars as a unique mitzvah rather than ordinary hachnasas orchim? The shiur distinguishes two mitzvahs: hachnasas orchim (providing for those in need) and connecting to talmidei chachamim (cleaving to God through scholars). Yisro's meal for the Jewish leaders wasn't charity—it was his way of bonding with those transformed by Torah, teaching that learning must fundamentally change who we are.
Shabbos 3a
Looking for the full transcript?
Full access is available to members of the TUF Alumni Association or the Yam Hagadol Foundation.
Already a member? Let the admin know!
Why does the Gemara say one Shabbos protects from Amalek while two Shabboses bring redemption? The shiur applies a principle from Kiddushin about repetition changing psychology: the first time doing anything is experimental, but the second demonstrates genuine desire. True Shabbos connection with Hashem requires moving beyond spiritual curiosity to authentic internalization.
