Reference for Bava Batra 257:8
אמר ליה אביי לרבין אנחתת לן חדא ואתקפת לן חדא בשלמא דר' אלעזר אדרבי אלעזר לא קשיא כאן באדם אחד ושתי שדות כאן בשני בני אדם ושתי שדות
to two persons and two fields. [The contradiction], however, [between the first statement] of R. Johanan,<span class="x" onmousemove="('comment',' In R. Dimi's report. ');"><sup>20</sup></span> and his second one<span class="x" onmousemove="('comment',' In the report of Rabin. ');"><sup>21</sup></span> [presents] a difficulty!<span class="x" onmousemove="('comment',' According to the first statement no possession is acquired even in the case where the two fields were assigned as an inheritance to one person, much less where they were so assigned to two persons, while according to the second statement, possession is acquired even in the case of two fields and two persons. ');"><sup>22</sup></span>