Reference for Bava Kamma 35:8

אמר רב ביבי בר אביי דקאזיל מיניה מיניה

and that caused by indirect force,<span class="x" onmousemove="('comment',' I.e., a second bucket damaged by a fragment that fell from a first bucket, which was broken by pebbles thrown by an animal. ');">⁸</span>

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