Reference for Niddah 95:39

וחכ"א

<b><i>GEMARA</i></b>. 'THOUGH THIS IS IMPOSSIBLE'! But has it not in fact APPEARED?<span class="x" onmousemove="('comment',' Of course it had; since it was explicitly stated, IF THE UPPER MARK APPEARED BEFORE THE LOWER ONE. ');">³³</span>

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