Reference for Chullin 7:5

רבא דייק מסיפא

Now according to Abaye, is not the second clause difficult to explain?<span class="x" onmousemove="('comment',' For the second clause implies that if the Israelite were going in and out at the time, the slaughtering would be valid without the necessity of administering the olive's bulk of flesh.');">³</span>

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