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Eruvin 67

ERUVIN 67 - 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) BEING "MEVATEL RESHUS" TO EVERYONE WHO MADE THE ERUV

QUESTION: One of the cases of the discussed in the Gemara (66b) is when the outer Chatzer and inner Chatzer made an Eruv together, which they placed in the inner Chatzer, and one of the people in the inner Chatzer forgot to join the Eruv. The Gemara says that the people in the inner Chatzer are stuck because the one who forgot in the inner Chatzer cannot be Mevatel Reshus to the residents of the outer Chatzer.

Rav Huna brei d'Rav Yehoshua asks why. The person who forgot should simply be Mevatel his Reshus to the residents of the inner Chatzer who made the Eruv, since he does not have to be Mevatel Reshus to every single person who joined the Eruv (that is, he does not have to be Mevatel Reshus to the residents of the outer Chatzer as well). The Gemara concludes that he *does* have to be Mevatel Reshus to all of the people who made the Eruv, including those in the outer Chatzer. Since he cannot be Mevatel to the outer Chatzer (for Bitul from one Chatzer to another Chatzer is not permitted), he cannot be Mevatel his Reshus at all.

Why did Rav Huna brei d'Rav Yehoshua ask this question only in this case? The Gemara describes a parallel case which is the exact complement of the case that Rav Huna brei d'Rav Yehoshua quotes, on which he also could have asked his question. If the Eruv was made in the *outer* Chatzer and one of the residents of the *outer* Chatzer forgot to join, the Gemara says that both Chatzeros are forbidden to carry. Rav Huna brei d'Rav Yehoshua should have asked on that case as well that the person in the outer Chatzer should be Mevatel Reshus to the other residents of the outer Chatzer if he does not need to be Mevatel to every person who made the Eruv (i.e. those in the inner Chatzer). Why does he not ask that question?

ANSWERS:

(a) The RITVA answers simply and says that Rav Huna brei d'Rav Yehoshua could have asked his question in that case as well, but he expressed his question only on the first case.

(b) TOSFOS (DH k'Man) answers that in the case of the Eruv in the outer Chatzer and the resident of the outer Chatzer who forgot to join the Eruv, in order to permit carrying in the outer Chatzer, the Bitul Reshus must be done to the residents of the inner Chatzer as well. Since the residents of the inner Chatzer normally trample through the outer Chatzer, and they are prohibited to carry in their Chatzer without a valid Eruv, they prohibit the outer Chatzer from carrying as well (because of Regel ha'Asurah bi'Mekomah). In such a case, the Mevatel must *relate directly* to the members of the inner Chatzer. Even if he is Mevatel his Reshus only to the people in the outer Chatzer and then *automatically* the people in the inner Chatzer are joined together with them, *this is also called* "Bitul Reshus me'Chatzer le'Chatzer."

Rav Huna brei d'Rav Yehoshua is only asking in the case when the Eruv is located in the inner Chatzer and one of the residents there forgot to join the Eruv. In that case, the people in the outer Chatzer are not inherently residents of the inner Chatzer; they are only considered to be in the inner Chatzer because of "Hergel Eruv" (see Insights to Daf 66:2b). Therefore, Rav Huna brei d'Rav Yehoshua thought that it would be enough to be Mevatel Reshus to the people in the inner Chatzer, and the Mevatel should not have to relate *directly* to the people of the outer Chatzer. After he would be Mevatel to a friend from the inner Chatzer, automatically the members of the inner Chatzer join with those of the outer Chatzer through the Eruv that they all made together.


67b

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