Reference for Eruvin 174:5

והוינן בה אין בו ארבעה מאי אמר רב אויר ב' רשויות שולטת בו ולא יזיז בו מלא נימא

- That<span class="x" onmousemove="('comment',' R. Johanan's ruling concerning a wall between courtyards.');">⁹</span> was reported by Ze'iri.<span class="x" onmousemove="('comment',' R. Dimi, however, maintains that R. Johanan's restriction does not apply to domains the movement of objects between which is only Rabbinically forbidden.');">¹⁰</span> But does not this<span class="x" onmousemove="('comment',' The difficulty, raised supra 87a ad fin., on R. Dimi's report.');">¹¹</span>

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