Reference for Yevamot 216:4
הממאנת באיש ונשאת לאחר וגירשה לאחר ומיאנה בו לאחר וגירשה זה הכלל כל שיצתה הימנו בגט אסורה לחזור לו במיאון מותרת לחזור לו אלמא לא אתי מיאון דחבריה ובטיל גיטא דידיה
divorce; but this, surely, is contradicted by the following: IF A MINOR EXERCISED THE RIGHT OF REFUSAL AGAINST A MAN AND THEN WAS MARRIED TO ANOTHER MAN WHO DIVORCED HER, AND AFTERWARDS TO ANOTHER MAN AGAINST WHOM SHE MADE A DECLARATION OF REFUSAL, AND THEN TO ANOTHER MAN WHO DIVORCED HER,<span class="x" onmousemove="('comment',' V. supra note 1. ');"><sup>8</sup></span> SHE<span class="x" onmousemove="('comment',' Cur. edd., 'this is the general rule' is here omitted in accordance with the reading of the separate edd. of the Mishnah and Alfasi. ');"><sup>5</sup></span> IS FORBIDDEN TO RETURN TO THE MAN FROM WHOM SHE WAS SEPARATED BY A LETTER OF DIVORCE, BUT IS PERMITTED TO RETURN TO HIM FROM WHOM SHE WAS SEPARATED BY HER EXERCISE OF THE RIGHT OF <i>MI'UN</i>, from which it is evident that <i>mi'un</i> against his fellow has no power to cancel<span class="x" onmousemove="('comment',' Lit., 'comes … and cancels'. ');"><sup>7</sup></span>