Commentary for Bava Batra 55:4
ר"ע אומר חדש בראשונה וחדש באחרונה וי"ב חדש באמצע הרי י"ד חדש
IF A MAN HARVESTS HIS GRAPES, GATHERS IN HIS OLIVES, AND CULLS HIS FIGS, THIS COUNTS AS THREE YEARS.<span class="x" onmousemove="('comment',' Even though all three processes are carried out in one year, the idea being that the rightful owner would not permit another to take three crops off his field without protesting. ');"><sup>10</sup></span> <b><i>GEMARA</i></b>. R. Johanan said: I have heard those who attended at Usha<span class="x" onmousemove="('comment',' Usha was a town in Upper Galilee near Tiberias. Here, after the destruction of the Second Temple, the Sanhedrin was established when it left Jabneh, and here too after the war of Bar Cochba a synod was held composed mainly of the pupils of Judah b. Baba. On the question who is meant here by 'those who attended at Usha,' v. infra, p. 141, n. 4. ');"><sup>11</sup></span> reasoning thus: Whence do we derive the rule that a presumptive title is acquired in three years?<span class="x" onmousemove="('comment',' I.e., Why three precisely? ');"><sup>12</sup></span>