Reference for Eruvin 33:12

ור' יצחק אמר אנא דאמרי אפי' לר' יהודה עד כאן לא קאמר ר' יהודה התם אלא דאיתנהו לדיורין הכא ליתנהו לדיורין:

and that door was<span class="x" onmousemove="('comment',' Owing to the collapse of some structure on the Sabbath.');">²⁵</span> blocked up, or on a certain window<span class="x" onmousemove="('comment',' That communicated between two courtyards inhabited by different tenants.');">²⁴</span> and that window was<span class="x" onmousemove="('comment',' Owing to the collapse of some structure on the Sabbath.');">²⁵</span>

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