Reference for Bava Metzia 36:4

איכא דאמרי היכא דמזבני כיתנא והוא שלא הוחזקו אע"ג דשכיחין שיירתא

and yet Rabbah decided that [the document] should be returned. We must therefore say that '[only] if two persons called 'Joseph ben Simeon' are known to be there it is so,<span class="x" onmousemove="('comment',' Only if two persons bearing the same name are known to live in the place where the document was issued is the document not returned. ');">⁴</span>

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