Reference for Bava Batra 156:5
[סימן זגם נסן] אמר אביי ר"א ורשב"ג ור' מאיר ורבי נתן וסומכוס ונחום המדי כולהו סבירא להו כי מזבין איניש מידי איהו וכל תשמישתיה מזבין
(Mnemonic <i>ZeGeM NeSeN</i>.)<span class="x" onmousemove="('comment',' This mnemonic is an aid to the memorization of the names of the Rabbis mentioned in the following passage: Z =Eliezer, G = b. Gamaliel, M =Meir, N=Nathan, S =Symmachus, N = Nahum. ');"><sup>12</sup></span> Abaye said: R. Eliezer and R. Simeon b. Gamaliel and R. Meir and R. Nathan and Symmachus and Nahum the Mede are all of the opinion that when a man sells an object he sells it and all its accessories. [As to] R. Eliezer, we learnt: R. Eliezer says: He who sells the building of an olive-press has also sold the beam. [As to] R. Simeon b. Gamaliel, we learnt:<span class="x" onmousemove="('comment',' Supra 67b. ');"><sup>13</sup></span> R. Simeon b. Gamaliel says: He who sells a town has also sold the Santer.<span class="x" onmousemove="('comment',' Supra p. 270. ');"><sup>14</sup></span>