Reference for Yevamot 155:18

אישתיק א"ל דלמא שאני התם דכתיב אשר יולדו הכתוב תלאו בלידה א"ל קרקפנא חזיתיה לרישך ביני עמודי כי אמר רבי יוחנן להא שמעתא

between the pillars<span class="x" onmousemove="('comment',' Of the college. ');">⁶⁰</span> when R. Johanan gave the following traditional ruling: The reason<span class="x" onmousemove="('comment',' Why the children are ascribed to the mother. ');">⁶¹</span> here is because it was written, That are born;<span class="x" onmousemove="('comment',' Deut. XXIII, 9. ');">⁵⁶</span> elsewhere, however, the child is ascribed to the father'.<span class="x" onmousemove="('comment',' The suggestion was consequently not the result of Abaye's own ingenuity but a mere repetition of what he heard from his Master, Rabbah. ');">⁶²</span>

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