Jerusalem Talmud Eruvin 1.6

משנה: לְחָיַיִם שֶׁאָמְרוּ גּוֹבְהָן עֲשָׂרָה טְפָחִים רוֹחְבָּן וְעוֹבְיָין כָּל שֶׁהֵן. רִבִּי יוֹסֵי אוֹמֵר רָחְבָּן שְׁלֹשָׁה טְפָחִים:

MISHNAH: The laths about which they spoke, their height ten hand-breadths, their width and thickness arbitrarily small; Rebbi Yose said, their width three hand-breadths.

הלכה: לְחָיַיִם שֶׁאָמְרוּ כול׳. מַתְנִיתָא בִמְשׁוּכִין מִן הַכּוֹתֶל. אֲבָל אִם הָיוּ סְמוּכִין לַכּוֹתֶל אוֹף רִבִּי יוֹסֵי מוֹדֶה. וְתַנֵּי כֵן. עָשָׂה לְחָיַיִם לַמָּבוֹי. אִם גְּבוֹהִין מִן הָאָרֶץ פָּחוּת מִשְּׁלֹשָׁה. אוֹ שֶׁהָיוּ סְמוּכִין לַכּוֹתֶל פָּחוּת מִשְּׁלֹשָׁה. מוּתָּר. שְׁלֹשָׁה. וְהוּא שֶׁיְּהֵא הָעוֹמֵד רָבֶה עַל הֶחָלָל.

HALAKHAH: “The laths about which they spoke,” etc. The Mishnah if they were distant from the wall. But if they were leaning against the wall even Rebbi Yose will agree. And it was stated thus: If one made laths for an alley, if they are less than three [hand-breadths] from the ground or they were within three [hand-breadths] from the wall, it is permitted. Three only if what is standing be more than the empty space.

אַבְנֵי הַבִּנְיָין הַיֹּוצְאוֹת מִן הַבִּנָיָין. אִם אֵין בֵּין אַחַת לַחֲבֵירָתָהּ שְׁלֹשָׁה טְפָחִים. נִידּוֹן כִּלְחָיַיִם. קֶרֶן זָוִית יוֹצֵא מִיכָּן וְקֶרֶן זִָוית יוֹצֵא מִיכָּן נִידּוֹן כִּלְחָיַיִם. כּוֹתֶל הַנִּכְנַס וְנִרְאֶה כְפַס מִבִּפְנִים וְשָׁוֶה מִבַּחוּץ. אוֹ שֶׁנִּרְאֶה כְפַס מִבַּחוּץ וְשָׁוֶה מִבִּפְנִים. נִידּוֹן כִּלְחָיַיִם. הָיָה מָשׁוּךְ. אַבָּא בַּר רַב חוּנָה אוֹמֵר. רוֹאִין אוֹתוֹ כִּילּוּ הוּא כָנוּס. הָתִיב רַב חִסְדַּיי. וְהָתַנִּינָן. חָצֵר גְּדוֹלָה שֶׁנִּפְרָצָה לִקְטַנָּה. הַגְּדוֹלָה מוּתֶּרֶת וְהַקְּטַנָּה אֲסוּרָה. וְיֵיעָשׂוּ כוֹתְלֵי גְדוֹלָה כִלְחָיַיִם אֶצֶל כּוֹתְלֵי קְטַנָּה וְהוּתְּרָה קְטַנָּה. אָמַר לֵיהּ אַבָּא בַּר רַב חוּנָה. תִּיפְתָּר בִּמְשׁוּכִין יוֹתֵר מֵעֶשֶׂר. תַּנֵּי רִבִּי שִׁיָין קוֹמֵי רִבִּי אָחָא. בִּגְדוֹלָה אַחַת עֶשְׂרֶה וּבִקְטַנָּה עֶשֶׂר. אִיתְבְּעִת מַתְנִיתָא וְלֹא אִישְׁתַּכַּחַת.

Building stones which protrude from the building, if between one and the other is less than three hand-breadths they are considered as laths. Corners sticking out at each side are considered as laths. A wall which is indented and looks like a plank from inside but even on the outside or looks like a plank from outside but even on the inside is considered as laths. If it was prolonged, Abba bar Rav Huna said, one looks at it as if indented. Rav Ḥisdai objected, did we not state, “if a large courtyard collapsed into a small one, the large one is permitted but the small one forbidden.” Should not the walls of the large one be like laths for the walls of the small one and the small one be permitted? Abba bar Rav Huna told him, explain it if they were extended more than ten. Rebbi Ashian stated before Rebbi Aḥa, if the large one is eleven but the small one ten. The baraita was searched for but not found.

אָמַר לֵיהּ אָחָא. כֵּן אָמַר רִבִּי שִׁמְעוֹן בֶּן לָקִישׁ. כָּל מִשְׁנָה שֶׁלֹּא נִכְנְסָה לַחֲבוּרָה אֵין סוֹמְכִין עָלֵיהָ. אָמַר רִבִּי יוֹסֵה. אַתְיָיא כְמָאן דָּמַר. חָצֵר נִיתֶּרֶת בִּשְׁנֵי פַסִּין וּבִלְּבַד פַּס שֶׁלְאַרְבָּעָה טְפָחִים מִיכָּן וּפַס שֶׁלְאַרְבָּעָה טְפָחִים מִיכָּן. אָמַר רִבִּי יוֹסֵה בֵּירִבִּי בּוּן. וַאֲפִילוּ תֵימַר כֵּן אַתְיָא כְמָאן דָּמַר. חָצֵר נִיתֶּרֶת בִּשְׁנֵי פַסִּים. וּבִלְּבַד פַַּס שֶׁלְאַרְבָּעָה טְפָחִים מִיכָּן וּפַס שֶׁלְאַרְבָּעָה טְפָחִים מִיכָּן. רַב עוּקְבָּה בְשֵׁם רַבָּנִן דְּתַמַּן. לִגְדוֹלָה הֵן נִידּוֹנוֹת וְאֵינָן נִידּוֹנוֹת לִקְטַנָּה.

[Rebbi] Aḥa told him, so says Rebbi Simeon ben Laqish: One does not use as support any Mishnah which is not accepted by a group. Rebbi Yose said, it follows him who said, a courtyard becomes permitted by two planks on condition that there be a plank of four hand-breadths on each side. Rebbi Yose ben Rebbi Bun said, even you have to say that it follows him who said, a courtyard becomes permitted by two planks on condition that there be a plank of four hand-breadths on either side. (Rav) [Rebbi Mar] Uqba in the name of the rabbis there: They are considered only for the large one but are not considered for the small one.

כּוֹתֶל שֶׁצִּידּוֹ אֶחָד יוֹצֵא וְצִידּוֹ אֶחָד כָּנוּס. כַּהֲנָא אָמַר. נוֹתֵן אֶת הַקּוֹרָה לוֹכְסָן וּמִשְׁתַּמֵּשׁ לוֹכְסָן. רִבִּי אָחָא בְשֵׁם כַּהֲנָא. נוֹתֵן אֶת הַקּוֹרָה לוֹכְסָן וּמִשְׁתַּמֵּשׁ לוֹכְסָן. וּבִלְבַד שֶׁלֹּא תְהֵא הַקּוֹרָה מְשׁוּכָה יוֹתֵר מֵעֶשֶׂר. ומִדְּרִבִּי יוֹסֵי. קִיְימָהּ רַב אֶבְדַּיְמִי נְחִיתָה. וּבִלְבַד שֶׁלֹּא תְהֵא הַקּוֹרָה מְשׁוּכָה יוֹתֵר מֵעֶשֶׂר. רִבִּי אָחָא בְשֵׁם רִבִּי שִׁמְעוֹן בֶּן לָקִישׁ. וּבִלְבַד שֶׁלֹּא יְהֵא הַכּוֹתֶל מָשׁוךְ יוֹתֵר מֵאַרְבַּע. אַשְׁכַּחַת אָמַר. מַה דִצְרִיכָה לָהֵן פְּשִׁיטָא לָהֵן.

If a wall on one side is extended and on the other side is shortened. Cahana said, he puts the beam obliquely and uses it obliquely. Rebbi Aḥa in the name of Cahana: he puts the beam in the diagonal and uses in the diagonal, but only on condition that the beam not be extended more than ten? (From) Rebbi Yose [said], Rav Eudaimon the emigrant confirmed it, on condition that the beam not be extended more than ten. Rebbi Aḥa in the name of Rebbi Simeon ben Laqish: On condition that the wall not be extended more than four [cubits]? [Rebbi Yose, Rebbi Ila, Rebbi Aḥa in the name of Rebbi Simeon ben Laqish: On condition that the wall not be extended more than four [cubits].] You conclude to say, what was problematic for the one was obvious for the other [and what was problematic for the other was obvious for the one].

אָמַר רִבִּי עוּלָּא. מִשְּׁלֹשָׁה וְעַד אַרְבָּעָה הִיא מַתְנִיתָה. פָּחוּת מִשְּׁלֹשָׁה אֲפִילוּ יוֹתֵר מֵעֶשֶׂר מוּתָּר. אַרְבָּעָה אֲפִילוּ פָחוּת מֵעֶשֶׂר אָסוּר. אֶלָּא אִם כֵּן אֲנָן קַיָימִין מִשְּׁלֹשָׁה וְעַד אַרְבָּעָה.

Rebbi Ulla said, the Mishnah is from three to four [hand-breadths]. Less than three even more than ten [cubits] is permitted, four even less than ten [cubits] is prohibited. Where do we hold? From three to four.