יז ר' מאיר סבר חוקקין להשלים ורבנן סברי אין חוקקין להשלים
17 agree that, if [an arched doorway] was ten handbreadths high but its lower section<span class="x" onmousemove="('comment',' V. supra note 4.');"><sup>29</sup></span> was less than<span class="x" onmousemove="('comment',' Lit., 'and there is not'.');"><sup>30</sup></span> three [handbreadths in height], or even if the lower section was three [handbreadths high] but its total height was less than ten handbreadths, the doorway is not valid at all.<span class="x" onmousemove="('comment',' Lit., 'and nothing', and therefore, no mezuzah is required. In the former case, because (a) side-posts that are lower than three handbreadths, though four handbreadths apart, are regarded as the mere thickness of the ground beneath and (b) the remaining portion consisting of an arch is less than four handbreadths wide, so that no valid doorway exists; and in the latter case because the minimum height of a doorway must be ten cubits.');"><sup>31</sup></span>