Reference for Eruvin 48:10

הלכך טלטולי במתא גופה שרי טלטולי ברחבה גופה שרי ממתא לרחבה ומרחבה למתא פליגי בה רב אחא ורבינא חד אסר וחד שרי

Would not people<span class="x" onmousemove="('comment',' Relying on Abaye's ruling.');">²⁴</span> infer that a side-post is effective in the case of any<span class="x" onmousemove="('comment',' Lit., 'in the world', 'elsewhere'.');">²⁵</span> path among vineyards.<span class="x" onmousemove="('comment',' Even one that does not rundown to a river bank but to a public domain. Such an alley, however, cannot as a matter of fact be permitted by one side-post at one end.');">²⁶</span> Rather, said Raba, a side-post should be put up at the entrance to the alley,<span class="x" onmousemove="('comment',' On the side that adjoins the open area. Lit., 'town' of which the alley forms a part.');">²⁷</span> and since<span class="x" onmousemove="('comment',' Miggo.');">²⁸</span> the side-post is effective in respect of the alley<span class="x" onmousemove="('comment',' Sc. it is permitted thereby to move objects in the alley if the shape of a doorway was put up at its other end, that is abutting on the public domain (cf. supra 7a) .');">²⁹</span> it is also effective in respect of the open area. Hence it is permitted to move objects within the alley itself.<span class="x" onmousemove="('comment',' Sc. it is permitted thereby to move objects in the alley if the shape of a doorway was put up at its other end, that is abutting on the public domain (cf. supra 7a) .');">²⁹</span> It is also permitted to move objects within the open area itself.<span class="x" onmousemove="('comment',' By the rule of miggo: Since the side-post is effective for the alley it is also effective for the open area.');">³⁰</span> [But as regards] the moving of objects from the alley into the open space or from the open space into the alley, R'Aha and Rabina are at variance. One forbids this and the other permits it.

Jastrow