Reference for Eruvin 186:6

אמר רבה בריה דרבא כגון שנפרצה התחתונה במלואה לעליונה

while those of the upper one<span class="x" onmousemove="('comment',' Since the valid partition of the lower courtyard forms a division between the two courtyards.');">¹⁵</span> should neither prepare a single one<span class="x" onmousemove="('comment',' Jointly.');">¹⁶</span> [for the two courtyards] nor<span class="x" onmousemove="('comment',' Being exposed to the lower courtyard, having no valid partition on its side to separate it.');">¹⁷</span>

Jastrow

Jastrow

Jastrow

Jastrow