LessonsKitab al-Buyu: Grain Sales, Bulk Heaps, Qafiz and Unit PricesQuiz

Uncertainty of quantity: the total number of qafiz, animals or cubits is unspecified.
Uncertainty of the object: it is unclear which particular animal or fabric portion will transfer.
Uncertainty of the price: a known unit rate leaves the aggregate consideration unstated.

The legal analysis turns on what remains uncertain and whether it can lead to a substantive dispute.

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Three distinct sources of uncertainty

Kitab al-Buyu: Grain Sales, Bulk Heaps, Qafiz and Unit Prices

Uncertainty of quantity: the total number of qafiz, animals or cubits is unspecified.
Uncertainty of the object: it is unclear which particular animal or fabric portion will transfer.
Uncertainty of the price: a known unit rate leaves the aggregate consideration unstated.

The legal analysis turns on what remains uncertain and whether it can lead to a substantive dispute.