Reference for Yevamot 148:6

ותו הא דתנן טבל ועלה אוכל במעשר העריב שמשו אוכל בתרומה הביא כפרה אוכל בקדשים מנא לן

And finally, it s written, And the priest shall make atonement for her, and she shall be clean.<span class="x" onmousemove="('comment',' Ibid. XII, 8. ');">¹⁸</span> How, [then, are these contradictory conditions<span class="x" onmousemove="('comment',' Bathing, sunset and sacrifice. ');">¹⁹</span> to be reconciled]?<span class="x" onmousemove="('comment',' Each text obviously pointing to a different condition as the essential, or completion of purification! ');">²⁰</span> The first refers to [second] tithe; the second to <i>terumah</i>, and the third to holy food. Might not these be reversed?<span class="x" onmousemove="('comment',' For terumah bathing alone should suffice; while for tithe, waiting until sunset should be required. ');">²¹</span>

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