Reference for Eruvin 121:6
אמר רב נחמן מאן דתני אנשי לא משתבש ומאן דתני אין אנשי לא משתבש
not in error.' He who learns "the people may" is not in error since he might explain it to refer to an 'erub that one<span class="x" onmousemove="('comment',' Sc. where no 'erub had been deposited within either town, where in consequence the whole town cannot be regarded as four cubits in respect of the Sabbath limit, and where, as a result actual distances must be measured.');"><sup>18</sup></span> had deposited;<span class="x" onmousemove="('comment',' Where the latter was situated entirely within the Sabbath limit of the former. If, for instance, the distance between the two towns was one thousand cubits and the smaller did not cover more than one thousand cubits the people of the larger town may walk through the whole of the smaller (which being within their Sabbath limit, is regarded as no bigger than four cubits) and another thousand cubits or more beyond it to complete their two thousand cubits Sabbath limit.');"><sup>19</sup></span> while 'he who learns "the people may not is not in error' since he might explain that it refers to a case where the Sabbath limit was being measured,<span class="x" onmousemove="('comment',' Sc. where no 'erub had been deposited within either town, where in consequence the whole town cannot be regarded as four cubits in respect of the Sabbath limit, and where, as a result actual distances must be measured.');"><sup>18</sup></span>