Reference for Chullin 178:25

ומי מצית אמרת דתרוייהו בהדי הדדי קאתו

IT ALSO APPLIES TO A FOETUS, it is obvious that the first clause is not dealing with a foetus! - This is what he means: This<span class="x" onmousemove="('comment',' Whether the prohibition of the sciatic nerve applies to a foetus or not.');">¹⁴</span>

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