Reference for Eruvin 64:9
אי הכי חוץ לעיבורה של עיר נמי כיון דאמר רבא הנותן עירובו יש לו ארבע אמות הויא לה רשות היחיד ורשות היחיד עולה עד לרקיע
is not subject to that prohibition during twilight.<span class="x" onmousemove="('comment',' Supra q.v. notes.');"><sup>21</sup></span> Raba stated: This<span class="x" onmousemove="('comment',' The ruling in our MISHNAH: vruchg rcg');"><sup>22</sup></span> was taught only in respect of a tree that stood beyond the outskirts<span class="x" onmousemove="('comment',' (rt. 'to pass') , houses situated within seventy and two-thirds cubits from the town (v. infra 57a) .');"><sup>23</sup></span> of the town, but where a tree stood within the outskirts of the town<span class="x" onmousemove="('comment',' A tree in such a locality of a town is likely to be used as a repository for an 'erub by a person living in a neighbouring town, within two thousand cubits distance from this one, who is desirous of going two thousand cubits beyond the outskirts of the latter (Rashi) .');"><sup>24</sup></span>