Reference for Bekhorot 50:24

וקתני

You can hardly say that it refers to the blemished animal which is then to be taken away; for we should then infer that the first Tanna quoted above does not hold this?<span class="x" onmousemove="('comment',' Surely not! For if the blemished animal can be recognized, what further doubt can there be?');">¹⁴</span>

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