Reference for Bava Kamma 4:3

ת"ר ג' אבות נאמרו בשור הקרן והשן והרגל

are not equal to them in law; for a primary defilement<span class="x" onmousemove="('comment',' Such as any one of these three and the others enumerated in Kelim I. ');">³</span>

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