REVACH L'DAF

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BECHOROS 3
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SUMMARY

1. If a person illicitly sold a large animal (such as a cow or horse) to a Nochri, he is obligated to buy it back even if he must pay more than the animal's true value to do so.
 
2. If a person who illicitly sold a Nochri servant to a non-Jew, he is obligated to buy him back even if he must pay more than the servant's true value to do so.
 
3. The Amora'im argue about how much of a Jew's animal must be owned by a non-Jew in order to exempt the animal from the laws of Bechor.
 
4. Rabanan: The amount a non-Jew must own in order to exempt a Jew's animal from the laws of Bechor depends on whether he shares ownership in the mother or in the firstborn itself.
 
5. Rebbi Yochanan: A firstborn that only somewhat resembles the species of its mother cannot be brought as a Korban, but it must be given to the Kohen.
 
6. Rava: The Halachah follows the opinion of the Rabanan. Thus, a Jew is obligated in the Mitzvah of Bechor only if he has full ownership of the donkey and its fetus.
 
7. A person is allowed to make a blemish in a Bechor before it is born.
 
8. Kohanim and Leviyim are exempt from redeeming the firstborn donkey.

A BIT MORE

1. In one version, Reish Lakish says that one must spend up to ten times its value to get it back. In a second version, he says that one must spend up to one hundred times its value to get it back.
 
2. In one version, Rebbi Yehoshua ben Levi says that one must spend up to ten times his value to redeem him. In a second version, he says that one must spend up to one hundred times his value to redeem him.
 
3. Rav Huna says that it is exempt even if he owns an ear. Rav Chisda says that he must own something which, if absent, would make the animal a Neveilah (e.g. the windpipe), while Rava says that he must own something which, if absent, would make the animal a Tereifah.
 
4. The Rabanan say that while the minimum ownership in the mother is either something which, if absent, would make it a Neveilah or Tereifah, the minimum ownership in the firstborn is even an ear. Rav Papa says that the minimum is the same (see #3 above) for both the mother and the firstborn.
 
5. The Gemara concludes that this is because Rebbi Yochanan understands that an animal that is so different from its mother is considered to have a blemish.
 
6. This is unlike Rebbi Yehudah, who maintains that one must give the value of his ownership in the Bechor to the Kohen.
 
7. Although it is forbidden to make a blemish on an animal already dedicated to be a Korban, a Bechor is considered to be a Korban only once it is born, not beforehand.
 
8. This is due to the Leviyim having exempted the firstborn sons of Bnei Yisrael, as will be explained later (4a).

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