Reference for Bekhorot 67:22

אילימא ר"ש דמתני' עד השתא לא אשמעינן שמואל דבר שאין מתכוין מותר

Is it the R'Simeon of the Mishnah?<span class="x" onmousemove="('comment',' Who holds in the Mishnah that he may let blood although he makes a blemish, but he does not state that he may slaughter the firstling on account of this.');">¹⁰</span>

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