Reference for Gittin 150:13

אמר רב חסדא לא קשיא הא רבנן והא רבן שמעון בן גמליאל

But since the later clause in our Mishnah states the view of Rabban Simeon b. Gamaliel, it follows [does it not] that the earlier clause states a view which is not that of Rabban Simeon b. Gamaliel? — We must say therefore that the Baraitha gives the view of Rabban Simeon b. Gamaliel, who insists only on a minimum fulfilment of<span class="x" onmousemove="('comment',' Lit., 'who is lenient in regard to'. ');">¹¹</span>

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