Reference for Bekhorot 91:3

הלכתא אפי' למ"ד נדר שהודר ברבים יש לו הפרה על דעת הרבים אין לו הפרה

But this is only the case with a vow made for a secular purpose, whereas if made for a religious purpose, it can be invalidated,<span class="x" onmousemove="('comment',' As we assume that public opinion would be agreeable to this.');">²</span>

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