Reference for Keritot 4:63

בר מינה

And whence will R'Isaac derive this? - He will derive it from the latter part of the verse: He hath uncovered his sister's nakedness.<span class="x" onmousemove="('comment',' Ibid. XX, 17. The word 'sister' is considered superfluous. It should read 'her nakedness'.');">⁴⁸</span>

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