Reference for Eruvin 98:11

אמר רב לא אמר כלום כל עיקר דאפילו לתחתיו של אילן לא מצי אזיל

OF TWO THOUSAND CUBITS IN ANY DIRECTION; SO R'HANINA B. ANTIGONUS. THE SAGES, HOWEVER, RULED: THE DISTANCES<span class="x" onmousemove="('comment',' OF two thousand cubits from his position in the four directions.');">¹⁸</span>

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