Reference for Niddah 142:3

ר' יהודה לטעמיה דאמר אין דם מבטל דם

But did not the Rabbis speak well to R. Judah?<span class="x" onmousemove="('comment',' They did. How then (cf. prev. n.) can R. Judah maintain his view? ');">³</span>

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