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prepared by Rabbi Eliezer Chrysler
Kollel Iyun Hadaf, Jerusalem

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Eruvin 23

ERUVIN 21, 22, 23, & 25 sponsored by a generous grant from an anonymous donor. Kollel Iyun Hadaf is indebted to him for his encouragement and support and prays that Hashem will repay him in kind.

1) Shmuel rules like Rebbi Yehudah ben Bava, and he also rules that Pasei Bira'os are restricted to a well of spring-water.
Why does he need to issue both rulings?


(a) Rebbi Yehudah ben Bava permits carrying in a garden or an enclosure which is seventy and two thirds Amos square - under one of three conditions.
What are they?

(b) According to Rebbi Yehudah, a pit, a trench or a cave is sufficient to permit carrying there.
What does Rebbi Akiva hold?

(c) Rebbi Eliezer forbids carrying in a garden etc. which is not attached to a dwelling unless it is absolutely square.
What does Rebbi Yossi say about this?

(d) Rebbi Ila'i heard three lenient teachings from Rebbi Eliezer: 1. that one may carry even in a garden that is a Beis Kur (thirty Sa'ah); 2. that one fulfills the Mitzvah of Moror on Pesach with a herb called Arkublin. The third is connected with Eruvei Chatzeros.
What is it?

3) Rebbi Yehudah ben Bava issues two stringent rulings: 1. that Pasei Bira'os are confined to a public well - 2. that a garden etc. of a Beis Sasayim requires a hut, in order to carry there; Rebbi Yehudah also issues two stringent rulings: 1. Confining Pasei Bira'os to a Beis Sasayim - 2. that a Reshus ha'Rabim that runs through Pasei Bira'os negates the concession of Pasei Bira'os; Rebbi Eliezer, too, issues two stringent rulings; 1. that one is obligated to eat fourteen meals in the Sucah - 2. that someone who failed to eat in the Sucah on the first night of Sucos must make up for that on the eve of Shemini Atzeres. How is it that Rebbi Yehudah ben Bava and Rebbi Eliezer both introduce their second statement with the word 've'Od', whereas Rebbi Yehudah does *not*?

Answers to questions



(a) What is the Machlokes between Rebbi Akiva, who permits seventy and two thirds Amos square which does not adjoin a dwelling, and the Tana Kama (above in the Mishnah on 18a) who permits a Beis Sasayim, which is basically the same Shiur?

(b) What were the dimensions of the Chatzer ha'Mishkan?

(c) Then why does the Torah write in Terumah "ve'Rochav Chamishim ba'Chamishim".

(d) How much is the Davar Mu'at that distinguishes between Rebbi Akiva's seventy Amos plus two thirds square and the Tana Kama's Beis Sasayim?

(a) Rebbi Eliezer in our Mishnah rules that if the garden or the Karfaf of a Beis Sasayim is just one Amah longer than it is wide, one may no longer carry there.
How do we amend this statement, to conform with another statement of his?

(b) How does Rebbi Eliezer then differ from Rebbi Yossi?

6) Shmuel is quoted as ruling both like Rebbi Yossi and like Rebbi Akiva in our Mishnah.
Why are both of these rulings necessary?


(a) What is the difference between *sowing seeds* in an enclosure of more than a Beis Sasayim that is attached to a dwelling, or *planting trees* there?

(b) Rav Huna Brei de'Rav Yehoshua establishes the Chumra of seeds when the sown area is more than a Beis sasayim.
Why, according to him, will it not apply, when the sown section of the enclosure is exactly a Beis Sasayim - despite the fact that it is constitutes the majority of the enclosure?

(c) Why do we initially need to establish this statement of Rav Huna Brei de'Rav Yehoshua like Rebbi Shimon?

(d) What will Rebbi Shimon hold with regard to vessels that are carried from the house to the Chatzer?

(a) What is the problem with establishing the initial statement regarding a sown area in a Karfaf like Rav Huna Brei de'Rav Yehoshua (in 7b)? What problem does the Gemara have with the fact that the sown section constitutes the majority of the field?

(b) The Gemara therefore re-words Rav Huna Brei de'Rav Yehoshua's statement. He now refers to the inference that the Gemara makes permitting carrying in the un-sown section, if only a minority of the entire enclosure was sown; on which Rav Huna Brei de'Rav Yehoshua comments - that that only applies if that minority is *less* than a Beis Sasayim, but if it is a Beis Sasayim, it is Asur. Like whom does he hold?

(c) Rav Yirmiyah mi'Difti's has a more lenient version of Rav Huna Brei de'Rav Yehoshua's statement.
What is it?

Answers to questions
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