REVIEW QUESTIONS ON GEMARA AND RASHI

Prepared by Rabbi Eliezer Chrysler
of Kollel Iyun Hadaf, Yerushalayim
daf@dafyomi.co.il    http://www.dafyomi.co.il


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BAVA BASRA 79
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1)
(a) We cite the Mishnah in Me'ilah which discusses the Din of Me'ilah regarding three categories of Hekdesh. What is the Tana in Me'ilah referring to when he speaks about Hekdesh that is fit for ...
1. ... the Mizbe'ach but not for Bedek ha'Bayis?
2. ... Bedek ha'Bayis but not the Mizbe'ach?
3. ... neither? Then on what basis are they Hekdesh?
(b) Why are the things listed in the first group not fit for Bedek ha'Bayis?
(c) What does the Tana say about all three cases? What do they all have in common?
(d) What is the significance of the sequence in which the Mishnah lists the three groupings?
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2)
(a) What does the Tana say about a pit full of water, a trash-heap full of manure, a dove-cot full of doves, a field with herbs growing in it and a laden fruit-tree, if one declares the container Hekdesh? What do they all have in common?
(b) At which point is one Mo'el?
(c) What does Rebbi Yehudah say in a case where they are all filled only after the owner declared them Hekdesh?
(d) What does Rebbi Yossi say about a field and a tree?
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3)
(a) What Halachic distinction does Rebbi draw, with regard to the above Machlokes, between the case of the pit and that of the dove-cot on the one hand, and a field and a tree on the other?
(b) What is the basis for this distinction?
(c) What problem do we have with Rebbi declaring that Rebbi Yossi is right in the case of a field and a tree?
(d) How could we query Rebbi in the same way regarding the other half of his declaration 'Nir'in Divrei Rebbi Yehudah be'Bor ve'Shuvach'?
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4)
(a) What do we mean when we suggest that Rebbi Yossi only mentioned a field and a tree in order to challenge Rebbi Yehudah?
(b) We refute this suggestion however, from another Beraisa. What does Rebbi Yossi say there, which proves that what he said in the previous Beraisa was his personal opinion (and not just a challenge on Rebbi Yehudah ruling)?
(c) Then what did Rebbi really say?
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5)
(a) In another Beraisa, which discusses 'Hikdishan ve'Achar-kach Nismal'u', the Tana Kama holds 'Mo'alin Bahen ve'Ein Mo'alin ba'Meh she'be'Tochan'; Rebbi Elazar b'Rebbi Shimon disagrees. How does Rabah initially establish their Machlokes?
(b) What will the Tana'im then hold by a pit and a dove-cot?
(c) Which other Machlokes is this synomymous with
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6)
(a) In the Seifa 'Hikdishan Melei'in', the Tana Kama says 'Mo'alin Bahen u'va'Meh she'be'Tochan'. What do we mean when we say 'Rebbi Elazar b'Rebbi Shimon Machlif'?
(b) What problem does Abaye present Rabah from Rebbi Elazar b'Rebbi Shimon's opinion in the Seifa of the Beraisa?
(c) Why is it so obvious that if the fruit was there initially, it ought to be Hekdesh?
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79b----------------------------------------79b

7)
(a) How do we now amend Rabah's interpretation of the Machlokes? In which case do they really argue?
(b) And what will both Tana'im hold in the case of a field and a tree?
(c) We now have two Machlokos, one in the Reisha and one in the Seifa. What is the basis of their Machlokes in the Reisha (where the water and the doves came after the Hekdesh, and) where the Tana Kama holds ' ... Ein Mo'alin ba'Meh she'be'Tocho' and Rebbi Elazar b'Rebbi Shimon holds 'Mo'alin'?
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8)
(a) On what condition does Rebbi Meir hold 'Makneh Davar she'Lo Ba le'Olam'?
(b) It is not Rebbi Meir himself who draws this distinction, but Rav Huna, who holds like him. What example does Rav Huna give of something that is 'Avidi de'asu'?)
(c) Then how can we establish Rebbi Elazar b'Rebbi Shimon like Rebbi Meir in the case of ...
1. ... the water in the pit?
2. ... the doves in the dove-cot (neither of which appears to be inevitable at all)?
(d) What if the dove-cot that is close by belongs to somebody else?
(e) Why is that?
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9)
(a) How does Rava establish the declaration of Hekdesh in the Seifa (where the water and the doves were there before the Hekdesh)?
(b) And to explain Rebbi Elazar b'Rebbi Shimon ('Ein Mo'alin ba'Meh she'be'Tocho'), he establishes him like his father in 'ha'Mocher es ha'Bayis'. What does Rebbi Shimon say there about someone who sells a pit which is full of water (though that is not the actual case of Rebbi Shimon there)?
(c) What does his son Rebbi Elazar now hold?
(d) Then why does he hold in the Reisha (where the Hekdesh preceded the water and the doves) 'Mo'alin bo u'va'Meh she'be'Tocho'? Why does he not apply the S'vara 'Makdish, be'Ayin Ra'ah Makdish' there too?
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10)
(a) How does Rava reconcile this with our Mishnah 'Machar Bor, Machar Meimehah'? Like whom does he establish it in order to consolidate his explanation?
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11)
(a) We just established our Mishnah like Rebbi Nasan (whom we referred to as an individual opinion). Why does it not necessarily follow that the Halachah is not like him?
(b) Then why do we refer to it as an individual opinion?
(c) Would the same apply if an Amora, in refuting a Kashya directed at him from a Stam Mishnah, answered 'Yechida'ah Hi'?
(d) What might the Rabbanan of Rebbi Nasan ('Hikdishan Melei'in, Mo'alin Bahen u'va'Meh she'be'Tochan') then hold?
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