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1)

(a) What does the Gemara mean, when it writes in connection with the Machlokes between Rabbah and Rav Yosef regarding the duration of Bein ha'Shemashos - 've'Chilufa be'Chalsa'?

(b) What did Rabbah rule when Abaye asked him about carrying a beehive of two Kurim, and how come that he contradicted himself?

(c) A 'Bor Sefinah Alexanderis' has the equivalent Din to a beehive in this regard.
What is a 'Bor Sefinah Alexanderis'?

(a) What is the significance of the words 'she'Yesh Lahen Shulayim', mentioned by the Mishnah in Keilim?

(b) What category of vessels is the Mishnah talking about, and what is their shape?

(c) What do we learn from the statement 've'Hen Machzikos Arba'im Sa'ah be'Lach, she'Hen Kurayim beYavesh'?

(a) Why was Rava looking towards the West, when the Beraisa writes 'Kol Zeman she'Penei Mizrach Ma'adimin'?

(b) What is the window a sign for?

(a) Rebbi Nechemyah gives the time of dusk as half a Mil.
What other sign does the Gemara give to determine this?

(b) What is one likely to see if one looks down into the Sea from the top of Mount Karmel, and what will he be looking at?

(c) What was unique about Miriam's well?

(d) Was it Tahor or Tamei?

(a) Rav Yehudah quoting Shmuel, says that the Kohanim can Tovel in the dusk period of Rebbi Yehudah.
Why can this not be understood literally?

(b) What *does Shmuel really mean, and what is his Chidush?

(c) Rabbah bar bar Chanah, quoting Rebbi Yochanan, says that the Halachah is like Rebbi Yehudah as regards Shabbos.
What does that mean?

(d) He also rules like Rebbi Yossi with regard to Terumah.
Why can this not refer to Tevilah?

(e) What then *does* it refer to?

6)

(a) How is it possible to determine dusk and nightfall by the stars? What kind of stars are we talking about?

(b) For breaking Shabbos during dusk, one is normally obligated to bring an Asham Taluy, because it is only a Safek Shabbos. When would a person be Chayav a *Korban Chatas* for breaking Shabbos at dusk?

(c) Rava's Shamash was not conversant with the various Shiurim of dusk given by the Gemara.
What did Rava tell him to do with regard to Hadlakas Neros?

(d) What two signs does one have on a cloudy day?

(a) They used to blow six Teki'os before Shabbos came in: the first as a sign for people to stop work in the fields, the second for towns-people to stop work.
The third is a Machlokes between Rebbi Nasan and Rebbi.
What is the Machlokes?

(b) What does six *Teki'os* mean? What notes did they really blow?

(c) How long did they wait before blowing the final three blasts?

(d) Why did they begin blowing so early?

(a) What pattern of blowing did the Babylonians follow?

(b) Why were those working in the fields closest to the town not permitted to come into town immediately? Why did they have to wait?

(a) According to the second Beraisa, the third Teki'ah was a signal to do two things.
Which two things?

(b) Rebbi Yossi b'Rebbi Chanina maintains that they still had time to kindle the Shabbos lights after the sixth blast.
What is the proof for that?

(c) What objection does the Gemara raise to Rebbi Yossi b'Rebbi Chanina's proof?

(d) What then, did the Tokei'a do with his Shofar?