Reference for Eruvin 166:13
קא סלקא דעתך מאי מרפסת
to the one while to the other it was accessible only by means of the lowering of objects, the law is identical with the one which R'Shezbi cited in the name of R'Nahman;<span class="x" onmousemove="('comment',' Supra 77a.');"><sup>20</sup></span> what, however, is the law where it<span class="x" onmousemove="('comment',' Being lower than the one courtyard and higher than the other.');"><sup>24</sup></span> is accessible to one by means of lowering and to the other by means of thrusting?<span class="x" onmousemove="('comment',' Sc. do the tenants of the two courtyards respectively impose restrictions upon each other, because neither can conveniently use that area, or is a distinction drawn between the respective degrees of inconvenience?');"><sup>25</sup></span> - Rab ruled: Both<span class="x" onmousemove="('comment',' The tenants of the two courtyards.');"><sup>26</sup></span> are forbidden [access], but Samuel ruled: Access to it is granted to the tenants<span class="x" onmousemove="('comment',' Lit., 'to this'.');"><sup>27</sup></span> that can use it by means of lowering things<span class="x" onmousemove="('comment',' Sc. to those who occupy the higher courtyard.');"><sup>28</sup></span> since to them its use is comparatively easy while to others its use is comparatively difficult, and any area the use of which is convenient to one and difficult to another is to be assigned to the one to whom its use is convenient. We learned: IF THE TENANTS OF A COURTYARD AND THE TENANTS ON ITS GALLERY FORGOT TO JOIN TOGETHER IN AN 'ERUB ANY LEVEL THAT IS HIGHER THAN TEN HANDBREADTHS BELONGS TO THE GALLERY AND ANY LOWER LEVEL BELONGS TO THE COURTYARD. Assuming that by<span class="x" onmousemove="('comment',' Lit., 'it went up on your mind: what is'.');"><sup>29</sup></span> GALLERY