Related for Eruvin 12:11
כשמואל דאמר הלכה כחנניה והאמר שמואל תורתו כסתום כרב דאמר תורתו כמפולש
There was a certain crooked alley at Nehardea upon which were imposed the restriction of Rab and the restriction of Samuel, and doors were ordered<span class="x" onmousemove="('comment',' Lit., 'and they made it require'.');"><sup>27</sup></span> [to be fixed at its bends].<span class="x" onmousemove="('comment',' In addition to the side-posts or cross-beams fixed at the ends of the arms adjoining the public domain.');"><sup>28</sup></span> 'The restriction of Rab' who ruled that [a crooked alley] 'is subject to the same law as one that is open on both sides'; but [as] Rab in fac stated: 'The halachah is in agreement with the first Tanna'<span class="x" onmousemove="('comment',' Who required no door at all, but only a sort of frame in the shape of a doorway.');"><sup>29</sup></span>