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prepared by Rabbi Eliezer Chrysler
Kollel Iyun Hadaf, Jerusalem

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Shabbos 99


(a) How does the Gemara answer the query as to why the wagons needed to be *five* Amos long, when *four and a half* should have sufficed?

(b) And how does the Gemara answer the query as to why they needed to be *two* and a half Amos wide, when *one* and a half should have sufficed?

(a) What Kashya does the Gemara ask on the fact that the width of the Reshus ha'Rabim is *sixteen* Amos, from the formation of the wagons?

(b) What does the Gemara answer?

(c) Considering that the two wagons traveled side by side, with the tips of the planks touching, why is the width of the Reshus ha'Rabim not twenty Amos?

(a) What is 'Chuli'as ha'Bor'?

(b) Is one Chayav for placing something from the street on top of it, or for taking from it to place in the street?

(c) Why does the Mishnah need to mention 'Chuli'as ha'Bor ve'ha'Sela'? It could just as well have said 'ha'Bor ve'ha'Sela' - the Bor with regard to depth, and a 'Sela', to height?

(d) How would one be permitted to ...

  1. ... draw water on Shabbos from a well that is in a Reshus ha'Rabim ... ?
  2. ... drink from it directly ... ?
Answers to questions



(a) Rav Mordechai asked what the Din will be if someone throws an object from the street to land on a surface that is ten by four Tefachim.
What exactly is the Sha'aleh?

(b) Many Amora'im replied that the answer lies in an explicit Mishnah.
Which Mishnah?

(c) On what grounds did Rav Mordechai refute their answer? How did he interpret the Mishnah in a way that left his Sha'aleh intact?

(a) Rebbi Yochanan asked what the Din will be if someone throws something on to a wall that helped turn a former Karmelis into a Reshus ha'Yachid - even though the wall itself was not four Tefachim thick.
What is his Sha'aleh? The wall is not four Tefachim thick, so why should one be Chayav for throwing from the street on top of it?

(b) How did Ula resolve the Sha'aleh?

(a) Rebbi Yochanan also asks what the Din will be if someone pulls up a clod of earth measuring one Tefach from a pit of ten Tefachim, and places it in the street.
What is the Sha'aleh?

(b) On the assumption that he is Patur, he asked a second Sha'aleh.
What is it?

(c) The Gemara attempts to resolve the Sha'aleh from Rebbi Yochanan's own words, to explain the Mishnah in 'ha'Zorek' that if someone throws something at a wall in a street below ten Tefachim, he is Chayav.
What does Rebbi Yochanan say there?

(d) Why, in fact, can we not resolve his Sha'aleh here, from his statement there?

7) Rava asks whether one is Chayav for throwing a board measuring four by four Tefachim, if it lands on sticks ten Tefachim tall.
Is that not simply a duplication of Rebbi Yochanan's Sha'aleh above (in 6b)?


(a) According to Abaye, someone who places a dividing mat into a pit ten Tefachim deep and exactly eight Tefachim wide, is Patur.
Why is that?

(b) What will Abaye hold regarding Rebbi Yochanan's Sha'aleh in 6b.?

(c) And what will Rebbi Yochanan, who remains uncertain there, hold here?

(d) Is one Chayav for throwing something (even water) into a pit which has the dimensions of a Reshus ha'Yachid, but which is filled with ...

  1. ... water?
  2. ... fruit? Why the difference?
Answers to questions
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