Reference for Bava Batra 268:7

אמר רב יוסף השתא דאמרת אמרינן הואיל בעל שאמר גרשתי את אשתי נאמן הואיל ובידו לגרשה

that which we have learnt from that which we have not learnt?<span class="x" onmousemove="('comment',' The law of the reliability of a father's statement in respect of a son has been taught in the Mishnah, while that in respect of the divorce of a wife does not occur either in a Mishnah or a Baraitha. ');">¹³</span> If, however, that statement was made, it must have been in the following terms;<span class="x" onmousemove="('comment',' Lit., 'but if it were said, it was said thus'. ');">¹⁴</span>

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