Reference for Bekhorot 91:1

ליה אדעת רבים

on him and make it dependent on the wishes of the public.<span class="x" onmousemove="('comment',' We urge him to vow not to derive any benefit from his wife without the consent of the public and the public of course we assume wish him to observe his vow, (Rashi Git. 36a) so as to be free of the illegal union. Tosaf. explains that he must vow with obligation to at least three members of the public whose names must be specified, although they are not present. But if he vowed without explicitly mentioning the names of at least three of the public, then the vow is of no importance.');">¹</span>

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