Bava Batra

What is the reason  [why he] does not [take a double portion if] money [was collected]? [Is it not] because their father did not bequeath that particular money? [In the case of] land also, their father, [surely], did not bequeath that land! Furthermore, you, O Master, have said, [that] the reason of the Palestinians is logical, for if the grandmother had sold [her estate] before [her death], her sale would have been valid.  Following R. Nahman there is [this] difficulty: What is the reason  why he does not [take a double portion when] land [was collected]? [Is it not] because their father did not bequeath that land? [In the case of] money also, their father did not bequeath that money! Furthermore, surely, R. Nahman said in the name of Rabbah b. Abbuha: [If] orphans collected [a plot of] land for their father's debt  the creditor  may re-collect it from them!  — He replied to him: There is no difficulty according to me, nor is there any difficulty according to R. Nahman. We were stating the reason of the Palestinians,  but we ourselves  do not hold [this] opinion. What [was the story of the] grandmother? [Once] a certain [person] said to them: