Reference for Bekhorot 84:40

אילימא ר' יהודה הא ודאי סריס משוי ליה

therefore he is a different person,<span class="x" onmousemove="('comment',' That even if the skin were torn and he were found to be a male, we have no fear that it might be discovered that he is a saris, a different person entirely, the wife of a saris not being able to marry a deceased husband's brother.');">²⁸</span>

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