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prepared by Rabbi Eliezer Chrysler
Kollel Iyun Hadaf, Jerusalem

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Bava Kama 21


(a) What happened when Rebbi Aba bar Zavda asked Mari bar Mar to pose the above She'eilah to Rav Huna?

(b) What did Rabah bar Rav Huna quote his father as saying?

(c) And what did Rav Huna mean when he quoted his father as having said that someone who hires a house from Reuven must pay Shimon?

(d) How do we reconcile this with his previous ruling, which exempts him from paying altogether?

(a) What did Rav Sechorah Amar Rav Huna Amar Rav learn from the Pasuk in Yeshayah "u'She'iyah Yukas Sha'ar"?

(b) What else might "She'iyah" mean besides being the name of a demon?

(c) Mar bar Rav Ashi saw one of them.
How did he describe it?

(d) According to Rav Yosef, he is Patur because inhabiting an empty house prevents it from becoming delapidated.
What is the difference between Rav Yosef's reason and that of Rav?

(a) What did Rav Nachman do when someone built a mansion on the trash heap of Yesomim?

(b) Does this mean that Rav Nachman holds 'ha'Dar ba'Chatzar Chaveiro, Tzarich Leha'alos Lo S'char'?

(c) 'Karmana'i' is the name of a nationality.
What else might it mean (with a slight amendment)?

(a) Rav establishes the case in our Mishnah ('mi'Tzidei ha'Rechavah, Meshalemes Mah she'Hizikah') by 'Machzeres' (when the animal turned its head in order to eat from the side of the street).
Why does that make him Chayav?

(b) What does Shmuel say about 'Machzeres'?

(c) According to Shmuel, in which case does the Tana of our Mishnah obligate the owner to pay?

(d) What is the alternative way of presenting the Machlokes?

(a) Rav Nachman bar Yitzchak asks on Rav.
What does he extrapolate from the Mishnah 'mi'Pesach ha'Chanus, Meshalemes Mah she'Nehenis'? How must this be speaking?

(b) How does Rav Nachman bar Yitzchak himself reconcile this Mishnah with Rav's opinion in the Reisha?

(c) According to a second opinion, Shmuel agrees that 'Machzeres' is Chayav. In which case do they then argue?

(d) Rav say 'Maktzeh Makom li'Reshus ha'Rabim, Patur'.
What does Shmuel say?

(a) We try to connect their Machlokes to that of 'Bor bi'Reshuso'.
What is 'Bor bi'Reshuso'?

(b) How will we now explain ...

  1. ... Rav?
  2. ... Shmuel?
(c) How do we reconcile ...
  1. ... Rav with those who hold 'Bor bi'Reshuso, Patur'?
  2. ... Shmuel with those who hold 'Bor bi'Reshuso, Chayav'?
(d) What will Shmuel rule in this case should the ox slip on the fruit and become damaged or die?
Answers to questions



(a) Rebbi Meir and Rebbi Yehudah say in a Beraisa 'Achlah mi'Toch ha'Rechavah, Meshalemes Mah she'Nehenis; mi'Tzidei ha'Rechavah, Meshalemes Mah she'Hizikah'.
What do Rebbi Yossi and Rebbi Elazar say?

(b) How do we initially interpret the latter opinion? What makes us think that they must be referring specifically to Tzidei Reshus ha'Rabim (and not to the Reshus ha'Rabim itself)?

(c) So how do we propose to establish the Machlokes Tana'im?

(a) How do we then propose to explain the above Machlokes Tana'im? What do Rebbi Yossi and Rebbi Elazar extrapolate from "u'Bier bi'S'dei Acher"?

(b) What is the problem with this explanation?

(c) So we establish the Machlokes with regard to the Din of Ilfa and Rebbi Oshaya (that we learned earlier). Rebbi Meir does not hold like Ilfa and Rebbi Oshaya, whereas Rebbi Yossi does.
What does ...

  1. ... Ilfa say?
  2. ... Rebbi Oshaya say?
(a) How much does the Tana of our Mishnah obligate a dog and a kid-goat that jumped off a roof and broke vessels, to pay?

(b) We have already quoted the Mishnah which obligates the owner of a dog that took a cake (together with a coal) to a haystack and ate it. He pays full damages for the cake.
How much does he have to pay if it also sets fire to the haystack?

(c) We extrapolate that if the dog or the kid fell from the roof and broke vessels, the owner is Patur.
What principle do we initially derive from this?

(d) How will those who hold 'Techilaso bi'Peshi'ah ve'Sofo be'O'nes Chayav', establish our Mishnah?

(a) Rav Z'vid Amar Rava initially says that if the dog or the kid-goat fell from the top of a rickety wall, the owner is Chayav (according to everyone).
Why might the fact that the wall is rickety make him liable?

(b) On what grounds do we refute this reason?

(c) So how do we finally establish Rav Z'vid's ruling? What are the two meanings of 'Tzar'?

(a) What distinction ...
  1. ... does the Tana of the Beraisa make between a dog and a kid-goat on the one hand, and a person and a chicken on the other?
  2. ... must we make between the reasoning behind the Chiyuv of the chicken
  3. and that of the man?
(b) How does Rav Papa reconcile this Beraisa with another Beraisa which exempts the dog and the kid in both cases?

(c) Why should this make them Patur?

Answers to questions

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