Reference for Chullin 143:21

מאי ר' ישמעאל ומאי ר"ע

from the Torah? - R'Oshaia answered: It is written: Whosoever toucheth a dead body in a human body.<span class="x" onmousemove="('comment',' Num. XIX, 13. A literal translation of the verse. The Heb. , usually translated 'soul' or 'life' often means 'body'.');">¹⁵</span>

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