REVIEW QUESTIONS ON GEMARA AND RASHI
prepared by Rabbi Eliezer Chrysler
Kollel Iyun Hadaf, Jerusalem
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Eruvin 4
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ERUVIN 4 - dedicated to the memory of Sarah Dvosya bas Rav
Mordechai (Feldman) of Milwaukee by her children.
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1)
(a) Rava quotes Rav Nachman as saying that all the Amos are Amos of six
Tefachim.
Does this mean that there is no difference, according to him,
between the Amah of a Sucah and a Mavoy and that of Kil'ayim?
(b) 'Kol Amos she'Amru Chachamim be'Amah bas Shishah, u'Vilevad she'Lo Yehu
Mechuvanos'. This Beraisa appears to go exactly like Rava.
How does Abaye
attempt to explain it?
(c) Why is this answer not acceptable?
(d) How does Abaye eventually reconcile his own opinion with this Beraisa?
2)
(a) According to Rava, why does Raban Shimon ben Gamliel say 'Kol Amos
she'Amru, be'Kil'ayim bas Shishah'? Is it not to exclude the Amah of a Sucah
and a Mavoy?
(b) 'Cheik ha'Mizbei'ach' refers to the Yesod. How does Rashi finally
explain the Pasuk in Yechezkel "ve'Eleh Midos ha'Mizbei'ach be'Amos, Amah,
Amah ve'Tefach, ve'Cheik ha'Amah"?
(c) Which part of the Yesod was a small Amah of five Tefachim, the height or
the width?
3)
(a) The four Keranos (which were one Amah by one Amah) were also measured by
the small Amah of five Tefachim. Does this refer to the height or to the
width?
(b) If the Keranos measured one Amah by one Amah, why does the Pasuk
describe them as being a Zeres?
4)
Which other K'li Kodesh was measured by the smaller size Amah?
5)
(a) According to Rebbi Chanan, the entire Pasuk (of "Eretz Chitah u'Se'orah"
etc.) comes to teach us the various Shiurim:
- "Eretz Chitah" - regarding someone who enters a house which is stricken with Tzara'as;
- "Se'orah" - regarding the Din of a bone of a corpse;
- "Gefen" - regarding a Nazir;
- "Te'einah" - regarding carrying on Shabbos;
- "Rimon" - regarding Tum'as Keilim;
- "Eretz Zeis-Shemen" - regarding most things. Which things?
- "u'Devash" - regarding Yom Kipur. What do all of these mean?
(b) In that case, how can Rav rule that Shiurin are Halachah le'Moshe
mi'Sinai?
Answers to questions
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6)
(a) What do we learn from the Pasuk in Metzora ...
- ... "ve'Rachatz es Kol *Besaro"*?
- ... "ba'Mayim"?
- ... "ve'Rachatz *es* Kol *Besaro"?
- ... "*es* Kol Besaro"?
(b) What is the Din by one, two or three hairs that have knotted?
(c) In which regard did Rav say that Chatzitzin are Halachah le'Moshe
mi'Sinai'?
(d) In which cases did the Rabbanan decree?
(e) Why did the Rabbanan not also decree on Mi'uto she'Eino Makpid because
of Mi'uto ha'Makpid or because of Rubo she'Eino Makpid?
7)
(a) How do we learn from the Aron that the height of a Mechitzah is ten
Tefachim?
(b) Then how can Rav say that Mechitzin is Halachah le'Moshe mi'Sinai
(according to Rebbi Yehudah)?
(c) According to Rebbi Meir, in whose opinion even the Amos of the holy
vessels consisted of six Tefachim, the Halachah le'Moshe mi'Sinai was said
with regard to 'Gud, Levud and Dofen Akumah'.
What do these mean?
8)
(a) When our Mishnah requires that one reduces the twenty Amos plus between
the Koreh at the entrance to the Mavoy and the ground, how does one go about
doing this?
(b) According to Rav Yosef, one piles up one Tefach of earth (along the
length of the Mavoy - corresponding to the width of the Koreh) across the
entire width of the Mavoy.
What does Abaye hold?
(c) How does the Gemara initially attempt to explain their Machlokes?
(d) The Gemara concludes that both Rav Yosef and Abaye agree that underneath
the beam is considered inside the Mavoy.
What then, does Abaye require four
Tefachim (first answer - refer to the following question)?
9)
The Gemara gives two alternative answers to explain Abaye - one: that Abaye
also agrees that the beam serves as a Heker; but that, according to him, a
Heker must be seen from a distance, and not just from underneath. What is
the second alternative?
Answers to questions
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