Reference for Eruvin 183:8
<big><strong>מתני׳</strong></big> גג גדול סמוך לקטן הגדול מותר והקטן אסור חצר גדולה שנפרצה לקטנה גדולה מותרת וקטנה אסורה מפני שהיא כפתחה של גדולה:
Others read: Hiyya B'Rab said: It<span class="x" onmousemove="('comment',' The ruin,');"><sup>34</sup></span> is also assigned to the courtyard for which an 'erub had been prepared; and both, therefore,<span class="x" onmousemove="('comment',' Cf. supra n. 1.');"><sup>35</sup></span> are<span class="x" onmousemove="('comment',' Presumably; in the opinion of Hiyya.');"><sup>36</sup></span> free from restrictions. For should you insist that both are subject to restrictions<span class="x" onmousemove="('comment',' Sc. that neither from the one nor from the other may objects be moved into the ruin.');"><sup>37</sup></span>