Reference for Eruvin 177:5
רבי שמעון אומר אחד גגות ואחד חצירות ואחד קרפיפות רשות אחת הן לכלים ששבתו לתוכן ולא לכלים ששבתו בתוך הבית:
IN RESPECT OF CARRYING FROM ONE INTO THE OTHER OBJECTS THAT WERE KEPT WITHIN THEM WHEN THE SABBATH BEGAN, BUT NOT IN RESPECT OF OBJECTS THAT WERE IN THE HOUSE WHEN THE SABBATH BEGAN.<span class="x" onmousemove="('comment',' These, though they may be carried into the same courtyard, for instance, by virtue of an 'erub the tenants of that courtyard had jointly prepared, they may not be carried into a neighbouring courtyard unless the two courtyards too had been joined in one 'erub.');"><sup>13</sup></span> <big><b>GEMARA: </b></big>Abaye B'Abin and R'Hanina<span class="x" onmousemove="('comment',' MS. M. 'Hanania'.');"><sup>14</sup></span> B'Abin sat at their studies while Abaye was sitting beside them, and in the course of the session they remarked: One can well justify the view of the Rabbis<span class="x" onmousemove="('comment',' The SAGES who ruled that EACH ONE IS A SEPARATE DOMAIN.');"><sup>15</sup></span>