Reference for Niddah 99:15

כל הכשר לדון כשר להעיד ויש כשר להעיד ואין כשר לדון

act in this manner, seeing that R. Johanan actually stated, 'The <i>halachah</i> is in agreement with an anonymous Mishnah', and we have learnt,<span class="x" onmousemove="('comment',' As an anonymous Mishnah. ');">¹³</span>

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