Reference for Eruvin 67:6

היכי דמי אי דאיכא כוותא ומתנא לייתיה בכוותא ומתנא דלית ליה כוותא ומתנא:

that was nailed [to the wall].<span class="x" onmousemove="('comment',' So that it cannot be moved from its position.');">¹⁸</span> Raba replied: It<span class="x" onmousemove="('comment',' The Baraitha under discussion.');">¹⁹</span> may be said to refer even to a turret<span class="x" onmousemove="('comment',' Or dove-cote.');">¹⁷</span> that was not nailed [to a wall], for we might be dealing with a high turret<span class="x" onmousemove="('comment',' One higher than four cubits.');">²⁰</span>

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