Reference for Bekhorot 84:13

דא"ר חסדא

and exclaimed: 'Which authority is it which does not take into consideration the first Tanna [quoted in our Mishnah above]<span class="x" onmousemove="('comment',' Who holds that a tumtum is neither slaughtered in the Temple nor without the Temple, because it is a doubtful animal as regards sex.');">⁸</span>

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