(a) What does the Mishnah say about four brothers (See Tos. Yom-Tov), two of whom were married to two sisters (See Tos. Yom-Tov), and who subsequently died?

(b) Why is that?

(c) According to the Tana Kama, if they went ahead and performed Yibum, they are obligated to divorce them. What does Rebbi Eliezer say about that?

(a) On what grounds does the Gemara switch the opinions of Beis Shamai and Beis Hillel according to Rebbi Eliezer?

(b) On what condition would we have been able to leave the opinions intact?

(c) How, in fact, is Rebbi Eliezer cited in Iduyos.

(a) What if one of the sisters is forbidden on one the remaining brothers with an Isur Ervah (such as Chamoso or Eim Chamoso)?

(b) Why is that?

(c) How about the second remaining brother?

(d) What if she is forbidden to one of them with an Isur Mitzvah or an Isur Kedushah?

(e) Why the difference?

(a) Still in connection with the case of the four brothers, on what condition does the Mishnah permit both brothers to perform Yibum?

(b) What does the Tana then when mean he equates this with the Mishnah in the second Perek 'Achosah ke'she'Hi Yevimta O Choletzes O Misyabemes'?

(c) On what principle is this dual ruling based?

(a) The Mishnah now discusses three brothers, two of whom are married to two sisters. Which other two Arayos does the Tana mention?

(b) According to the Tana Kama, what must the third brother do if his two brothers die?

(c) What does Rebbi Shimon say?

(d) How does he learn this from the Pasuk in Acharei-Mos "ve'Ishah el Achosah Lo Sikach Litzeror"?

(a) What does the Tana say about a case where one of the sisters is also an Isur ...

1. ... Ervah?

2. ... Mitzvah or Kedushah?

(a) Once again, the Mishnah discusses three brothers, two of whom are married to two sisters, whereas the third one is not married (See Tos. Yom-Tov). But this time, only one of the brothers died. What did the unmarried brother do with his widow before the second brother died?

(b) Beis Shamai rules that the new Yevamah is not subject to Yibum because she is Achos Ishto. Why does her sister not become forbidden to him because of Achos Zekukaso?

(a) According to Beis Hillel, what must the third brother do regarding ...

1. ... his 'wife'?

2. ... his Yevamah?

(b) Why is that?

(c) What did the Chachamim say about the poor fellow?

(a) The Mishnah now cites a case where Reuven and Shimon were married to two sisters and their brother Levi to a woman not related to the other two, where Reuven and Levi died, the latter, after performing Yibum with the wife of the former. What does the Tana rule regarding the two women that now fall to Shimon?

(b) What if Levi performed, not Yibum with Reuven's wife, but Ma'amar?

(c) Why is he not permitted to perform Yibum?

(d) What if Levi had not performed Ma'amar?

(e) Then why does he mention Ma'amar? Whose opinion is he coming to preclude?

(a) The Mishnah now discusses a case which begins like the previous one, where Reuven and Shimon were married to two sisters and their brother Levi to a woman not related to them, and where Reuven died, and Levi performed Yibum with his wife. Only this time, Shimon's wife died followed by Levi. What does the Tana say about Shimon performing Yibum with Reuven's ex-wife (his deceased wife's former sister)?

(b) When was she Asur to him?

(c) What is the Din regarding her Tzarah (Levi's wife)?

(d) And what will be the Din if after Shimon divorced his wife, Levi died, he performed Yibum with his wife and died? What does the Tana say about Reuven performing Yibum with Levi's former wife?

(e) What is the basis for this ruling?

(a) What does the Mishnah say about the Tzarah of any of the fifteen cases of Ervah in the event that the Ervah was Safek Mekudeshes or Safek Megureshes?

(b) What example does the Tana give of Safek Mekudeshes?

(c) What is the exact case?

(d) On what principle is the Safek based?

(a) A Get requires two witnesses and a date. The first of three examples of Safek Megureshes is where the man writes the Get in his own hand-writing, but there are no witnesses. What are the other two cases?

(a) What does the Mishnah now say about three brothers who are married to three unrelated women, where one of them died and one of the remaining brothers performs Ma'amar with his wife and dies?

(b) How does the Tana learn this from the Pasuk in Ki Seitzei "u'Meis Achad meihem,Yevamah Yavo Alehah"?

(c) What makes it 'Zikas Sh'nei Yabmin'?

(a) What is the real source of 'Zikas Sh'nei Yabmin'?

(b) What prompted the Chachamim to issue this decree?

(a) Rebbi Shimon permits performing Yibum with whichever woman he pleases. What about the second one?

(b) What is the basis of Rebbi Shimon's ruling (in connection with the status of Ma'amar)?

(a) On what grounds does he permit performing Yibum with the wife of the first brother to die?

(b) Why does the wife of the second brother then require Chalitzah?

(c) Why not Yibum?

(d) Like whom is the Halachah?

(a) And what does the Tana rule in a case where Reuven and Shimon are married to two sisters and where first Reuven dies then Shimon's wife?

(b) Why is that?

(a) What does the Tana say about two men who betrothed two women and at the time of the Chupah, they inadvertently switched wives?

(b) What if the two men are brothers?

(c) Why are they not Patur from the latter on account of the principle 'Ein Isur Chal al Isur'?

(d) What are the ramifications of this ruling?

(a) On which other two conditions is one Chayav two Chata'os?

(b) And on what condition will they be Chayav three?

(a) For how long are Beis-Din obligated to separate them before allowing the women to return to their real husbands?

(b) Why is this necessary?

(c) On what condition will the period of separation not be necessary?

(d) What if the women are Kohanos?