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1)

(a) What was Rav Kahana worried about when he announced that Rav Chelbo was sick, and nobody responded by coming to visit him?

(b) What did ...

1. ... Rebbi Akiva do when his Talmid fell ill?
2. ... his Talmid subsequently tell him?

(c) What did Rebbi Akiva then go out and Darshen?

(d) Rav Dimi added to Rebbi Akiva's statement 've'Chol she'Ein Mevaker Choleh, Ein Mevakesh Alav Rachamim Lo she'Yichyeh ve'Lo she'Yamus'.
What is the meaning of 've'Lo she'Yamus'? What does this imply?

(a) What did Rava instruct his Talmidim on the first day of his illness?

(b) What did he mean when he told them that from then on, they should announce his illness, so that his enemies should rejoice?

(c) What did he add to that?

(a) What does Rav learn from the Pasuk in Tehilim ...

1. ... "Ashrei Maskil el Dal, be'Yom Ra'ah Yatzileihu Hashem"? What is the meaning of "Dal" and of "Ra'ah"?
2. ... "Hashem Yishmereihu"?
3. ... "vi'Yechayeihu"?
4. ... "ve'Ushar ba'Aretz"?

(b) From "ve'Al Titneihu be'Nefesh Oyvav", he learns that he should have friends like Na'aman, and not like Rechav'am.
What sort of friends would one ascribe to ...

1. ... Na'aman?
2. ... Rechav'am?

(c) Rebbi Shimon ben Elazar in a Beraisa said that if youngsters advise one to build, and elders, to demolish, one should listen to the elders.
Why is that?

(d) Why is Rechav'am ben Shlomoh a proof for this?

(a) Why did Rav Shisha Brei de'Rav Idi say that one should not visit a sick person during ...

1. ... the first three hours of the day?
2. ... the last three hours of the day?

(b) What does Ravin Amar Rav learn from the Pasuk ...

1. ... "Hashem *Yis'adenu* Al Eres D'vai"?
2. ... "Hashem Yis'adenu *Al Eres D'vai*"?

(c) Why does the Tana of the Beraisa require someone who visits a sick person to sit on the ground, and not on a couch, bench or chair?

(d) How do some commentaries qualify this Halachah?

(a) What is the basic difference between rain-water and spring-water as far as Tevilah is concerned?

(b) What do we learn from the Pasuk in Shemini "*Ach* Ma'ayan u'Bor"?

(a) What did Ravin Amar Rav mean when he said that when it rains in Eretz Yisrael, it is evident in the River P'ras (the Euphrates)?

(b) What are the ramifications of this statement?

(c) Shmuel disagrees.
What does Shmuel mean when he says that the water of a river is blessed from its own source?

(d) The source for this is a Sugya in Ta'anis.
What does the Gemara say in Ta'anis about each Tefach of rain that falls from the sky?

7)

(a) Elsewhere, Shmuel himself said that one may only Tovel in the River P'ras in Tishri.
To whom was he referring?

(b) Why did he then specify P'ras? Is that exclusive of all other rivers?

(c) Why did he confine the concession to the month of Tishri? Is that exclusive of all months?

(d) What will Shmuel say about Toveling in ...

1. ... rivers that dry up without cause, even if it happens only once every seven years?
2. ... the River P'ras the whole year round if he knows that it has not increased?
3. ... the River P'ras in Tishri if he knows that it has?

(a) Shmuel's father would arrange Mikva'os for his daughters in Nisan (by enclosing part of the river), but only (place) mats (in the river). In Tishri.
What function did the mats serve?

(b) Why was he stringent in Nisan and lenient in Tishri? What does 'Nisan' incorporate?

(a) What did the daughters of Shmuel's father used to do during the rest of the year, according to the Ran's Rebbes?

(b) On what grounds do we disagree with their explanation?

(c) What *did* they then do during the rest of the year? In which point do we argue with the Ran's Rebbes?

(d) This latter arrangement must have involved tremendous effort on their father's part.
Why did he do it?

(a) On what basis does Rabeinu Tam rule like the lenient opinion of Shmuel, and permit Tevilah in the river at all times, despite the fact that Shmuel's father, Rav and even Shmuel himself in his second opinion, disagrees with this?

(b) Does this ruling extend to *all* rivers?

(c) On what two bases does the Ramban substantiate the opinion of Rabeinu Chananel and the Rif, who rule like Shmuel's second (more stringent) opinion?

(d) How does he refute Rabeinu Tam's proof from the Beraisa in Bechoros (where both Rebbi Meir and the Rabbanan seem to substantiate Shmuel's first opinion)?

(a) Assuming that we rule like Rabeinu Chananel and the Rif, how does the Ra'avad (based on a Tosefta) qualify the prohibition of Toveling in rivers which, there is reason to suspect, contain more rain water than natural water?

(b) The Rambam however, is more stringent.
What distinction does he make? In which part of the river does he permit Tevilah even if it has rained heavily there?

(c) On what grounds do we prefer to qualify the Tosefta's distinction between where the river widened to where it maintains its original width by the source of the river, rather than by its extension (in which case we would permit Tevilah by the source even where it widened)?

(a) What do we learn from the Mishnah in Mikva'os 'He'id Rebbi Elazar b'Rebbi Tzadok, al ha'Zochlin she'Rabu al ha'Notfin, she'Kesheirim'?

(b) Why is it not feasible to confine that to the original course of the river, according to the Ra'avad, and to the extended flow of the river according to the Rambam (but not to where it widened)?

(a) In a Mishnah in Mikva'os, the Tana Kama permits closing a breach in a Mikveh even using part of a Zav's body.
What does Rebbi Yossi say?

(b) Like whom is the Halachah?

(c) May one Tovel ..

1. ... in salty water or in warm water?
2. ... in the sea (despite the fact that the water moves)?

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