Reference for Eruvin 139:11

מידי איריא הא כדאיתא והא כדאיתא

If so, why<span class="x" onmousemove="('comment',' Instead of 'two'.');">³⁴</span> was it not stated:<span class="x" onmousemove="('comment',' As was the case in the first clause.');">³⁵</span> To one who joined in the 'erub<span class="x" onmousemove="('comment',' Since One tenant cannot join in an 'erub with himself it would be obvious that the reference was to one of two tenants.');">³⁶</span> or to one who did not?<span class="x" onmousemove="('comment',' Cf. prev. n.');">³⁷</span> - This is a difficulty.'

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