ו ולא את היבם: מ"ט בכור קרייה רחמנא אמר אביי ל"ש אלא בשבח ששבחו נכסים בין מיתה ליבום אבל דבין יבום לחלוקה שקיל מ"ט (דברים כה, ו) יקום על שם אחיו המת אמר רחמנא והרי קם
6 Scripture calls him a firstborn.<span class="x" onmousemove="('comment',' And it shall be that the first-born that she beareth, and in Yeb. ');"><sup>11</sup></span> Said Abaye: They have taught this<span class="x" onmousemove="('comment',' That the levir does not take from the increase in the value of the estate belonging to his dead brother.');"><sup>12</sup></span> only with regard to the improvement in the value of the estate between the death of the brother and the performance of the levirate marriage, but he does take a double share of the improvement of the value of the estate which took place between the period of the performance of the levirate marriage and the division of the estate. What is the reason? The Divine Law says: Shall succeed in the name of his brother that is dead;<span class="x" onmousemove="('comment',' Deut. XXV, 6.');"><sup>13</sup></span> but here is a case of one who succeeded.<span class="x" onmousemove="('comment',' As soon as he married the deceased brother's wife, the double share of the estate is his, for he is in the place of his brother and is no longer called the first-born. Consequently the improvement in the estate took place in his possession and thus he takes two shares in the improvement of the estate.');"><sup>14</sup></span>